This document provides an introduction to the new BMW X3, including its dimensions, body design and materials. It discusses the bodyshell, doors, panoramic sunroof, strength, vibration and acoustic properties. Crash testing details are also summarized, covering head-on, side, and rear-end collisions as well as pedestrian protection. Exterior trims and interior equipment dimensions are briefly outlined.

1. Technicaltraining.
Productinformation.
F25Introduction
BMWService

2. Generalinformation
Symbolsused
Thefollowingsymbolisusedinthisdocumenttofacilitatebettercomprehensionortodrawattention
toveryimportantinformation:
Containsimportantsafetynotesandinformationthatneedstobeobservedstrictlyinordertoguaran-
teethesmoothoperationofthesystem.
Informationstatusandnational-marketversions
BMWGroupvehiclesmeettherequirementsofthehighestsafetyandqualitystandards.Changesin
requirementsforenvironmentalprotection,customerbenefitsanddesignrendernecessarycontinu-
ousdevelopmentofsystemsandcomponents.Consequently,theremaybediscrepanciesbetween
thecontentsofthisdocumentandthevehiclesavailableinthetrainingcourse.
ThisdocumentbasicallyrelatestolefthanddrivevehicleswithEuropeanspecifications.Somecon-
trolsorcomponentsarearrangeddifferentlyinright-handdrivevehiclesthanshowninthegraphics
inthisdocument.Furtherdifferencesmayariseastheresultoftheequipmentspecificationsusedin
specificmarketsorcountries.
Additionalsourcesofinformation
Furtherinformationontheindividualtopicscanbefoundinthefollowing:
• Owner'sHandbook
• IntegratedServiceTechnicalApplication.
Contact:conceptinfo@bmw.de
©2010BMWAG,Munich
ReprintsofthispublicationoritspartsrequirethewrittenapprovalofBMWAG,München
TheinformationcontainedinthisdocumentformanintegralpartofthetechnicaltrainingoftheBMW
Groupandareintendedforthetrainerandparticipantsoftheseminar.Refertothelatestrelevantinfor-
mationsystemsoftheBMWGroupforanychanges/additionstotheTechnicalData.
Statusoftheinformation:July2010
VH-23/InternationalTechnicalTraining

3. F25Introduction
Contents.
1. Introduction............................................................................................................................................................................................................................................. 1
1.1. ThenewBMWX3................................................................................................................................................................................................ 1
1.1.1. Dimensions.....................................................................................................................................................................................1
1.1.2. Silhouettecomparison................................................................................................................................................. 3
2. Body...................................................................................................................................................................................................................................................................... 4
2.1. Bodyshell............................................................................................................................................................................................................................. 4
2.1.1. Introduction.................................................................................................................................................................................... 4
2.1.2. Materials..............................................................................................................................................................................................5
2.1.3. Corrosionprotectionandleakprevention..................................................................................... 7
2.1.4. Frontend........................................................................................................................................................................................... 8
2.1.5. Sideframe........................................................................................................................................................................................8
2.1.6. Roof............................................................................................................................................................................................................ 9
2.1.7. Wheelarches,front........................................................................................................................................................... 9
2.1.8. Rearend......................................................................................................................................................................................... 10
2.1.9. Reartrim......................................................................................................................................................................................... 10
2.2. Doors..................................................................................................................................................................................................................................... 11
2.3. Panoramicglasssunroof....................................................................................................................................................................... 13
2.3.1. Dimensions................................................................................................................................................................................ 14
2.4. Strength............................................................................................................................................................................................................................ 15
2.5. Vibrationsandacoustics........................................................................................................................................................................16
2.5.1. Vibrationcomfort.............................................................................................................................................................. 16
2.5.2. Acoustics....................................................................................................................................................................................... 17
2.6. Crashtestingresearch.............................................................................................................................................................................. 18
2.6.1. Preventativemeasures............................................................................................................................................ 18
2.6.2. Safetytesting/Accidentanalysis.............................................................................................................. 19
2.6.3. Head-oncollision............................................................................................................................................................. 19
2.6.4. Sidecollision........................................................................................................................................................................... 20
2.6.5. Rear-endcollision............................................................................................................................................................ 22
2.6.6. Pedestrianprotection................................................................................................................................................ 23
3. Exteriortrimsandinteriorequipment............................................................................................................................................... 24
3.1. Exteriortrims............................................................................................................................................................................................................ 24
3.1.1. Frontend....................................................................................................................................................................................... 24
3.1.2. Hood..................................................................................................................................................................................................... 25
3.1.3. Undercarriageconcept............................................................................................................................................25
3.2. Interiorequipment............................................................................................................................................................................................ 26
3.2.1. Dimensions................................................................................................................................................................................ 26
3.2.2. Materialandcolorconcept...............................................................................................................................27
3.2.3. Dashboard................................................................................................................................................................................... 27
3.2.4. Centerconsole.....................................................................................................................................................................29

4. F25Introduction
Contents.
3.2.5. Storageoptionsatfront........................................................................................................................................ 30
3.2.6. Storageoptionsinrear........................................................................................................................................... 31
3.2.7. Frontseats.................................................................................................................................................................................. 31
3.2.8. Rearseats.................................................................................................................................................................................... 36
3.2.9. Climatecontrol..................................................................................................................................................................... 36
3.3. Luggagecompartment............................................................................................................................................................................. 38
3.3.1. Dimensions................................................................................................................................................................................ 39

5. F25Introduction
1.Introduction
1.1.ThenewBMWX3
TheF25wasintroducedtotheUSmarketinJanuary2011.ThenewsecondgenerationBMWX3
buildsonthesuccessoftheoriginalbydevelopingitscorecompetencies,whileaddingnewtechnolo-
gytoestablishnewbenchmarksforagility,efficiencyandcomfort.ThenewBMWX3willbeproduced
inanexpansionoftheBMWSpartanburg,SouthCarolinaplant.
ThenewX3isavailable(atlaunch)inthefollowingmodels:
• X3 xDrive28i
• X3 xDrive35i
BMWX3
1.1.1.Dimensions
ExternaldimensionsofF25
Index Explanation Value
a Vehicleheight,empty [mm] 1661
b Trackwidthofbasewheels,front [mm] 1616
c Frontoverhang [mm] 861
1

6. F25Introduction
1.Introduction
Index Explanation Value
d Wheelbase [mm] 2810
e Rearoverhang [mm] 977
f Reartrackwidth [mm] 1632
g Vehiclelength [mm] 4648
h Vehiclewidthwithoutexteriormirror [mm] 1881
ComparisonF25/E83
F25 E83
Vehicleheight,empty [mm] 1661 1674
Fronttrackwidth [mm] 1616 1524
Frontoverhang [mm] 861 821
Wheelbase [mm] 2810 2795
Rearoverhang [mm] 977 953
Reartrackwidth [mm] 1632 1542
Vehiclelength [mm] 4648 4569
Vehiclewidthwithoutexteriormirror [mm] 1881 1853
Diameterofturningcircle(withvehiclekerbweight) [m] 11.9 11.7
Shoulderroom,front [mm] 1455 1412
Shoulderroom,rear [mm] 1423 1398
Elbowroom,front [mm] 1483 1433
Elbowroom,rear [mm] 1458 1452
Maximumheadroom,front [mm] 1033 1041
Maximumheadroom,rear [mm] 994 1002
Kneeroom,rear [mm] 61 39
Luggagecompartmentcapacity [liters] 550 480
Weightsandpayload
F25comparedtoE83
Vehicle Transmission Vehicle Payload Maxtrail-
curbweight erload
(DIN)
F25X3xDrive28i Automatictransmis- [lbs] 4112 904 3500
sion
F25X3xDrive35i Automatictransmis- [lbs] 4222 904 3500
sion
2

7. F25Introduction
1.Introduction
1.1.2.Silhouettecomparison
F25SilhouettecomparisonwithBMWX3E83
F25SilhouettecomparisonwithBMWX5E70andBMWX1E84
3

8. F25Introduction
2.Body
2.1.Bodyshell
F25Bodyshell
2.1.1.Introduction
TheF25bodyiscomprisedmainlyofstrong,lightweightmaterials.Thisisachievedwiththeintelligent
applicationofhigher-strength,multi-phasesteelsandsuper-strength,presshardenedsteels.Onaver-
age,thestrengthofthebodymaterialsusedfortheF25is27%higherthantheE83.
Theconstructionwithlightweightmaterialsmakesadecisivecontributiontoreducingtheoverallvehi-
cleweightwhichresultsinasignificantcontributiontothefollowing:
• Drivingdynamics
• Reducingfuelconsumption
• ReducingCO2emissions
• Passivesafety.
4

9. F25Introduction
2.Body
Highlights
• Highproportionofmulti-phasesteels(14%ofthebodyshellweight)
• Highproportionofpresshardenedsteels(4%ofthebodyshellweight).
Thehigher-strengthmulti-phasesteelsandsuper-strengthpresshardenedsteelsensuremaximum
strengthofthepassengersafetycellwithlowweight,thusmakingahugecontributiontopassivesafe-
ty.
Inthecaseofthepresshardenedsteels,aninnovativedevelopmentwithpassivecorrosionprotection
isused.Thisdevelopmentisunprecedentedassuitablepresshardenedsheetmetalmaterialswith
sacrificialcorrosionprotectionhavenotbeenavailableinthemarketuntilnow.Thedevelopmentof
presshardeningtechnologymeansthataseries-compatibleprocedureforthemanufacturingofgalva-
nizedpresshardenedcomponentsisnowavailable.
Duringthisprocess,galvanizedsheetsteelisinitiallycoldworkedthenheatedtoroughly1652°F
(900°C).Theyarethencooleddownrightawaytoroughly158°F(70°C)andhardenedwithinafew
secondsinthepressingtoolwithintegratedwatercoolingdirectly.Followingthisprocedure,themini-
mumelasticlimitofthecomponentsissignificantlyhigherthan1000 MPa.
Componentsmanufacturedinthismannercanbeusedinareaswheremoistureispresentwithout
corrosionofthebasematerialoccurring.Additionalcorrosionprotectionmeasuresarenolongerre-
quiredforthissteel.
2.1.2.Materials
Amodernvehiclebodymustmeetagreatmanyrequirements.Despitesmallouterdimensions,it
shouldprovideapassengercompartmentthatisalargeaspossible.Intheeventofanaccident,pas-
sengersmustbeprotectedagainstinjuryaseffectivelyaspossible.Thetorquethatisgeneratedal-
someansthatallassemblies,e.g.theengineandtransmission,relyonthebodyforsupport.Further-
more,thebodymusthavehighstaticandabovealldynamicrigidityinordertoguaranteetheoutstand-
ingdrivingcharacteristicsthataretypicalofBMW.
Lastbutnotleast,thesupportingstructureofthevehiclemustbedurableoverthelongtermand,in
theeventofanaccident,itmustbepossibleforrepairstobecarriedoutatareasonablecostandwith
aminimumamountofeffort.
Inordertomeetalloftheserequirements,BMWpursuesthestrategyofcreatingeachcomponent
fromthematerialbestsuitedforitsfunction.
Thewordsteelisultimatelyanumbrellatermthatdescribesthelargenumberofalloyswithwidely
varyingpropertiesthatareused.
5

10. F25Introduction
2.Body
MaterialqualitiesofF25bodyshell
Index Explanation
1 Multi-phasesteels(300MPa)
2 Presshardenedsteels(900MPa)
3 Othersteels(300MPa)
Multi-phasesteelsaresteelswherethestructureconsistsofanumberofphases.Examplesofhigh-
er-strengthmulti-phasesteelswithalimitofelasticityRp0.2of300to600MPaaredual-phasesteels
orTRIPsteels.Examplesofhigher-strengthmulti-phasesteelswithalimitofelasticityRp0.2above600
MPaarecomplex-phasesteelsormartensitic-phasesteels.
Presshardenedmanganese-boronsteelsaresuper-strengthsteelswithalimitofelasticityRp0.2above
900MPa.
Weightproportions
Inordertoreducethevehicleweightandstillensuremaximumstrengthofthebodyshell,thepropor-
tionofhigherorhigh-strengthmulti-phasesteelsandsuper-strengthpresshardenedsteelsusedhas
increased.
6

11. F25Introduction
2.Body
F25Bodyshell,distributionofmaterialgrades
Index Explanation
1 Multi-phasesteels(300MPa)–14%
2 Presshardenedsteels(900MPa),proportion4%
3 Othersteels(300MPa),proportion82%
2.1.3.Corrosionprotectionandleakprevention
Inordertooptimizecorrosionprotection,mainlygalvanizedsteelplatesandsheetaluminiumplates
areusedonthebody.Thejoiningtechnologiesusedareweldingandbonding.
Theoverlapsofthemetalpanelsaredesignedinsuchawaythatthejoinsurfacesareminimized.This
isdonetopreventbondlinecorrosion.Waterispreventedfromenteringthebodystructurebymeans
ofconstructivebondingandsealingofthejoinsurfaces.
Inparticularlycriticalareas,expansionfoampartsareusedtosealthebodycavitiesagainstmoisture.
Wheresheetsaredoubledupinwetchambers,thesearesealedtwiceand,ifrequired,additionally
preservedwithwax.
Whererequired,theoverlapsofthemetalpanelsindrychambersaresealedofftopreventdustfrom
entering.
7

12. F25Introduction
2.Body
Corrosion-criticalmaterialpairingisavoided.Thecombinationofmaterialsubstratesandjoiningmeth-
odsiscarefullycoordinatedtoeliminatetheriskofcorrosion.
Coatingprocess
Inthepaintingprocessintheimmersioncleaningunit,thebodyshellis:
• cleanedbyalkali
• phosphated(roughingofthesurfaceforbetteradhesion)
• coatedintheimmersionprocesswithKTL(corrosionprotectionpaintthatcoatsallthebody
cavitiesfromtheinside).
Theorganiclayerofpaintisthenannealed.
ThebodyissealedwithPVCandprotectedbyfiller,topcoatandclearvarnishontheouterskin.
WiththeF25,selectivecavitypreservationiscarriedoutinparticularlycriticalbodyareas.
Theobjectivesofthesebodytreatmentsare:
• Novisualsignsofcorrosionforfiveyearsintheareaoftheouterskin
• Novisualsignsofcorrosionintheundercarriageareaforthreeyears
• Norustdamagefortwelveyears
• Extremelywateranddusttight.
• Fordingdepthat4mph500mm/19.7inches.
2.1.4.Frontend
Fortherepairofthefrontsectionofthebody,therearenomajordeferencescomparedwiththeE83.
2.1.5.Sideframe
F25Separationpointsforrepair
8

13. F25Introduction
2.Body
Forrepair,thepreferredseparationpointslistedaboveshouldbeused.
F25Sparepartsections
Therearsidepanelisweldedtothebodyshellatthefactory.Forrepairpurposes,therearsidepanelis
bondedandriveted.
2.1.6.Roof
Theroofisweldedtothebodyshellexworks.Forrepairpurposes,theroofisbondedandriveted.
2.1.7.Wheelarches,front
Thefrontwheelarchesareweldedtothebodyshellatthefactory.Forrepairpurposes,thefrontwheel
archesarebondedandriveted.
9

14. F25Introduction
2.Body
F25Frontwheelarches
2.1.8.Rearend
TherearenomajordifferencesintherepairproceduresoftherearbodysectioncomparedtotheE83
vehicle.
2.1.9.Reartrim
Thereartrimpanelisweldedtothebodyshellatthefactory.Forrepairpurposes,thereartrimpanelis
bondedandriveted.
10

15. F25Introduction
2.Body
F25Reartrimpanel
2.2.Doors
AtrimpanelhasbeenfittedonthedoorouterskinontheF25,thisisafirstforaBMW.
11

16. F25Introduction
2.Body
F25Trimpanel,doorouterskin
Index Explanation
A F11(notUS)
B E70
1 Trimpanel(doorouterskin)
2 Doorouterskin
3 Sideframe
4 Doorseal
5 Trimpanel(entrance)
Highlightsofthisdesignfeatureare:
• Improvedaccessconvenience
• Nosoilingofclothingwhengettinginandgettingout
• Trimpanelismountedwithoutadditionalscrewconnection.
12

17. F25Introduction
2.Body
ThedooroftheF25isdrawndownfurtherthanthedooroftheE70.Anadditionalsealinglipatthe
doorouterskintrimpanelprotectslargesectionsoftheentranceagainstdirtcontamination.Thissig-
nificantlyreducestheriskofsoilingclothingwhengettinginandout.
Thetrimpanelisdesignedasasingle-shellinjectionmouldedpartclippedtothedoorouterskin.The
grainedsurfacemakesthetrimpanellesssusceptibletodamagewhencomparedtoapaintedcom-
ponent.InvehicleswiththeoptionalequipmentX-Linepackage(SA3XL),achromestripisbondedto
thetrimpanelinordertofurtherenhancetheimpactofthecomponent.
2.3.Panoramicglasssunroof
Atwo-partpanoramicglasssunroof(SA402)canbeorderedasoptionalequipmentfortheF25.The
largerglasssurfacelendsthepassengercompartmentabrightandspaciousappearance.Thisen-
hancesthesenseofspace.
Thefrontedgeoftheglassslide/tiltsunroofcoverrunsmoreorlessparalleltothewindshield/roof
edge(contourroof)whichlendsthevehicleamoreharmoniousoverallappearance.
F11,panoramicglasssunroof
13

18. F25Introduction
2.Body
Index Explanation
1 Glassslide/tiltsunroofcover
2 Fixedglasselement
3 Framewithelectricmotorforglassslide/tiltsunroofcoverandslidingtrims
4 Rearslidingtrim
5 Frontslidingtrim
6 Winddeflector
Thepanoramicglasssunroofisaslide/tiltsunroofthatrunsinwards.Theglasspanelandslidingtrim
canbeoperatedfullyelectricallyandarecontrolledaccordingtotheusualBMWslide/tiltsunroofop-
eratinglogicbymeansofaswitchintherooffunctioncenter(FZD):
• Toopentheroof:presstheswitchbackwards
• Toclosetheroof:presstheswitchforwards
• Roofinventposition:presstheswitchupwards.
ThesameoperatinglogicusedforopeningBMWpanoramicglasssunroofsisappliedtothesliding
trim.Theoperatinglogiccorrespondstothedirectionofmovementofthecomponentsandisthus
easyforcustomerstounderstand.
Toexcludetheriskofpossibleinjury,ananti-trapmechanismisimplementedforthecompletetrav-
elpathoftheglassslide/tiltsunroofcoverandtheslidingtrim.Therooffunctioncenter(FZD)cande-
tectthesuddenincreaseinthepowerconsumptionofthemotorswhichoccurswhentheglassslide/
tiltsunroofcoverorslidingtrimencountersanobstruction.Theyarethenstoppedandmovedback
slightlyintheoppositedirection.Theelectroniccontrolsystemtakesaccountofinternationallegalre-
quirements.
Byusingsuitablematerialsfortheslidingtrim,thenoiselevelwhentheglassslide/tiltsunroofcover
andslidingtrimarefullyclosedissimilartothatofavehiclewithanormalroof.
Whentheroofisopen,amesh-typewinddeflectorensuresthatbackgroundnoiseremainswithinac-
ceptablelimits.
2.3.1.Dimensions
Dimensions
• Glassslide/tiltsunroofcover,length:20.47in(520 mm)
• Glassslide/tiltsunroofcover,width:35.62in(905 mm)
• Fixedglazedelement,length:20.47in(520 mm)
14

19. F25Introduction
2.Body
Aperturesize
• Glassslide/tiltsunroofcoverfullyopened:17.12in(435 mm)
• Slidingtrimfullyopened:34.25in(870 mm)
• Ventilationgap,glassslide/tiltsunroofcover:1.14in(29 mm)
2.4.Strength
Theminimumelasticlimitisstatedasthevalueforthestrengthofthebodyshell.
TheminimumelasticlimitRp0.2referstothetension(forceperunitareainMPaorN/mm²)abovewhich
anirreversibleplasticdeformationof0.2%occurs.
Developmentofthemeanminimumelasticlimit(strength)ofthebodyshell.
Index Explanation
1 X5(E53modelyear1999)
2 X3(E83modelyear2003)
3 X5(E70modelyear2006)
4 X3(F25modelyear2010)
SoP Yearoftheserieslaunch
15

20. F25Introduction
2.Body
F25ComparisonoflightweightconstructiongradeandstatictorsionalrigidityofbodyshellwithBMWX3E83bodyshell
Index Explanation
cT Statictorsionalrigidity
L Lightweightconstructiongrade
1 E83(withoutpanoramicglasssunroof)
2 F25(withoutpanoramicglasssunroof)
3 E83(withpanoramicglasssunroof)
4 F25(withpanoramicglasssunroof)
Thestatictorsionalrigidityofabodydescribesthedegreeofdistortionaroundanaxisthroughthe
applicationoftorque.Asaconflictofobjectivesexistsbetweenlightweightconstructionandrigidi-
ty,thestatictorsionalrigiditycanneverbeconsideredinisolation,andinsteadinconjunctionwiththe
lightweightmaterialsgrade.
Thelightweightmaterialsgradedescribestheratiobetweenthevalueforstatictorsionalrigidityinre-
lationtothetirecontactpatch(toexwheelbase)andtheweightofthebodyshell(withoutdoorsand
lids).Itprovidesameasureofthedegreeofrigidityachievedforthetirecontactpatchwiththesmallest
possiblemass.
TheF25hasalightweightconstructiongradeof2.6owingtointelligentgeometricdesignoftheload
pathsandconstructionwithlightweightmaterials.
2.5.Vibrationsandacoustics
2.5.1.Vibrationcomfort
Theprerequisiteforensuringgoodvibrationalcharacteristicsofthevehicleiscarefullytargeteddesign
ofstructuraldynamicsininteractionwiththeexcitationfromthechassisandsuspension.
16

21. F25Introduction
2.Body
Toensurethis,therigidityofthebodyhasbeenfurtherincreasedbyroughly27 %incomparisonwith
theE83.
Thevibrationsinthechassisandsuspensionandcompletevehiclehavebeenharmonizedthroughse-
lectiveoptimizationoftheexcitationforcesinthechassisandsuspensionandalsothepropertiesof
thevibrationsystem.
ThismadeitpossibletocompensateforthehigherexcitationthatoccursincomparisonwiththeE83
duetotheuseofrun-flattires.
2.5.2.Acoustics
Thesoundinsulationhasasignificantimpactontheacousticsofthepassengercompartment.Effec-
tiveinsulationagainstnoiseemittedbythedrivetraincomponentsisnormallyachievedbyusingmore
weight.Tokeepthisincreaseinweightaslowaspossible,thedesigninthebulkheadareaiscondi-
tion-based.Indoingso,onlythesurfaceweightthatisabsolutelyrequired,dependingontheneces-
sarycomponents,isusedatthispoint.
Anewsoundinsulationconcepthasbeenappliedinthetransmissiontunnelarea,whichcombines
highstructuralrigiditywithahighdegreeofinsulationandsheetmetalpaneldamping.Duringthispro-
cess,sandwichpanelsaresystematicallyjoinedtogetherusingadampingmassmaterial.
F25Soundinsulationconcept
Index Explanation
1 Sheetsteel
2 Dampingmassmaterial
17

22. F25Introduction
2.Body
2.6.Crashtestingresearch
2.6.1.Preventativemeasures
Basedontheresearchdatacompiledfromracingvehicles,theextremeloadingconditionsthatoccur
inthesesituations,thefollowingmeasuresmustbetakentoenhancethepassengersafetycelland
maximizethesafetyofdrivers:
• Rollcage
• Body-contouredseatwithspecialsix-pointseatbelt
• Safetyclothingwithcrashhelmet.
PassivesafetyisanextremelyimportantissueforBMWanditscustomersontheroad,andnotjustin
racingsports.
Thefollowingcomparisonvividlydemonstratestheforcesatworkduringacollision:crashingagainsta
wallat50 km/h(31mph)isroughlythesameasfallingoutofthe4th storyofabuilding.Atthisspeed,
theseatbeltcansignificantlyreducetheriskofinjurybutcannoteliminateitaltogether.Injuriesdueto
impactwiththesteeringwheelduringseverehead-oncollisionscanbepreventedwiththeadditional
protectionoftheairbag(anidealcomplimenttotheseatbeltsystem).
Theairbag,inconjunctionwiththe3-pointautomatic-reelbelt,providesoptimumprotectioninthe
eventofahead-oncollision.Agreatdealofthoughtisrequiredindevelopingitstriggeringbehaviorto
ensureitonlyactivateswhenneeded.Smallervibrationsthatoccurwhendrivingoveralevelcrossing
forexamplemustnotcausetheairbagtotrigger.
Around14%ofallaccidentsintheBMWaccidentdatabasearesideimpactand20%oftheseside
collisionswerefatalaccidents.
Diagram–AccidentStatistics
18

23. F25Introduction
2.Body
Index Explanation
36 % Head-oncollision
14 % Sidecollision
3 % Rear-endcollision
8 % Rollovers
39 % Multiplepile-ups
Theseinsightsshowthatprotectionoftheoccupantsfromsidecollisionsneededtoimprovesignifi-
cantly.Thefirstandmostimportantmeasureneededtoprotectthevehicleoccupantsintheeventofa
sidecollisionis,andalsoremains,astablevehiclestructureinordertoreduceintrusion.
Theintroductionofasideairbag,andalsotheheadairbagfrom5/97,werefurtherstepstakentopro-
videoccupantswithoptimumprotectionagainstasidecollision.
2.6.2.Safetytesting/Accidentanalysis
BeforeanewBMWvehicleislaunchedontothemarket,alargenumberofcrashtestsarecarriedout.
Thepurposeofthesecrashtestsistoverifycompliancewiththelegalregulationsintherelevantcoun-
triesandalsoconsumerprotectionrequirements.
Crashtestsarealsocarriedoutbasedontheinsightsgainedfromaccidentresearchcarriedoutby
BMW.AccidentresearchbyBMWhasrevealedahighpercentageofhead-oncollisionswithtrees
whichiswhyBMWcarriesoutahead-oncrashtestagainstapostinordertooptimizethevehicle
structure,evenifthereisnolegalrequirementtodoso.
ThesafetyofBMWvehiclesisthereforemuchhigherthanthelegalrequirementsforsafetyworldwide.
Themostimportantcrashtestsareexplainedindetailbelow:
• Head-oncollisionaccordingtoUS-NCAP
• SidecollisionaccordingtoUS-NCAP
• SidecollisionaccordingtoUS-IIHS
• Rear-endcollisionaccordingtoFMVSS301
• Pedestrianprotection
Thetotalnumberofaccidentsrecordedintheaccidentstatisticsisdividedupaccordingtothevarious
crashsituations:head-oncollision,sidecollision,rear-endcollisionandrollover.
2.6.3.Head-oncollision
Arangeofhead-oncollisiontestshavebeendevisedinordertomakethetestingconditionsasrealis-
ticaspossible.
TheUS-NCAP(NewCarAssessmentProgram)isaconsumerprotectiontestthatplacesthetoughest
demandsonthevehiclestructureandpassengerrestraintsysteminthecontextofahead-oncollision.
19

24. F25Introduction
2.Body
Head-oncollisionaccordingtoUS-NCAP
TheUS-NCAPontheotherhandprescribesacollisionagainstarigidbarrierwithanimpactspeedof
35 mph(56 km/h)and100%offset.
Thevehicleisoccupiedbytwodummies,oneonthedriverseatandoneonthefrontpassengerseat.
However,a40%offsettestiscarriedoutintheUSAbytheIIHS(InsuranceInstituteforHighwaySafe-
ty)at40 mph(64 km/h)againstadeformablebarrier.
Head-oncollisionaccordingtoUS-NCAP
2.6.4.Sidecollision
Foursidecollisiontestshavebeendevisedinordertomakethetestingconditionsasrealisticaspos-
sible.TheconfigurationsinUSAandEuropearedifferent.
TheUS-IIHStestplacesthetoughestdemandsonthevehiclestructureandpassengerrestraintsys-
temduringthesidecollisionduetothemodifiedtestconditionswithincreasedgroundclearance.
Themainevaluationcriterionistheindividualandoverallevaluationoftheriskofinjuryforvariousar-
easofthebody.Thesetestsalsoprovideimportantinsightsintothestructuralbehaviorofthepassen-
gercompartmentunderloadsthatpartiallyoccurlocally.
SidecollisionaccordingtoUS-NCAP
TheUS-NCAPprescribes38.5 mph(62 km/h)and27 degreesastheimpactspeedandanglerespec-
tivelyofthemovingbarrier.
Thedriver'sseatofthevehicleandtheseatbehinditareoccupiedbyadummy.
20

25. F25Introduction
2.Body
SidecollisionaccordingtoUS-NCAP
PostsidecollisionaccordingtoUS-NCAP
WiththepostsidecollisionaccordingtoUS-NCAP ,thevehicleisdrivenat20 km/h(12 mph)intoan
uprightpostwithadiameterof254 mmatanangleof75degreesintheareaofthedummy'shead..
Thedriver'sseatofthevehicleisoccupiedbyadummy.
PostsidecollisionaccordingtoUS-NCAP
SidecollisionaccordingtoUS-IIHS
WiththeUS-IIHSsidecollision,adeformablealuminiumhoneycombbarrierwithagroundclearanceof
379 mmwhichismodelledonabumpercollideswiththedriver'ssideataspeedof50 km/h(31 mph).
Dependingonthewheelbaseofthevehicle,thedistancebetweenthebarrierandthefrontaxle(IRD-
ImpactReferenceDistance)varies.
Thedriver'sseatofthevehicleandtheseatbehinditareoccupiedbyadummy.
21

26. F25Introduction
2.Body
SidecollisionaccordingtoUS-IIHS
2.6.5.Rear-endcollision
TheUSlawFMVSS 301(FederalMotorVehicleSafetyStandard)isusedasthebasisfortherear-end
collisiontest.Thiscorrespondstoonevehicledrivingintoanotherstationaryvehicleat80 km/h.
Rear-endcollisionaccordingtoFMVSS301
USregulationFMVSS 301prescribesarear-offsetcrashwith70%offsetat50 mph(80 km/h)witha
movingbarrier(withmassof1368 kg).
Aaluminiumhoneycombdeformablebarrierisfittedtothebarrierwagon.
Thetestiscarriedoutonthetankfillingsideandservesasaleakagetestofthefuelsystem.Inaddi-
tion,thestructureofthevehicle,seats,rearaxleandthecomponentsintheluggagecompartmentare
testedunderthisload.
Rear-endcollisionaccordingtoFMVSS301
22

27. F25Introduction
2.Body
2.6.6.Pedestrianprotection
Pedestrianprotection
Inadditiontopassengerprotectiontests,crashtestalsoincludesapedestrianprotectiontest.During
thistest,theriskofinjurytochildrenandadultsintheeventofahead-oncollisionat40 km/h(25 mph)
isevaluated.Sheathedmetalcylindersandballsofvaryingweightsareusedasasubstituteforlegs
andheadsandshotatdefinedpointsonthefrontofthevehicle;thestressonthebodypartsismea-
sured.
Pedestrianprotection
Index Explanation
1 Leg
2 Thigh
3 Headofachild
4 Headofanadult
23

28. F25Introduction
3.Exteriortrimsandinteriorequipment
3.1.Exteriortrims
3.1.1.Frontend
ThefrontendoftheF25canbecompletelyremoved.Itconsistsofthebumper,thelights,anumberof
sensorsandcovers.
Therepairinstructionsmustbestrictlyobservedwhenremovingandinstallingthefrontend
F25Frontend
Index Explanation
1 Headlight
2 Foglights
3 Bumpersupport
4 Sensor(withSA508,ParkDistanceControl,PDC)
Thefrontendwhichincorporatescorrespondingdeformationcavitiesbelowthehood(atleast60
mm/2.36in)aswellasresilienthingekinematics,satisfiesthestringentpedestrianprotectionrequire-
ments.
Thebumpersplaytheirpartinpassiveprotectionforpedestriansduetotheirdesign,geometryand50
mm/1.98infoam.
Aweightreductionofuptoroughly4 kg/8.8lbcanbeachievedbyusingaluminiumasopposedto
steelprofiles.
24

29. F25Introduction
3.Exteriortrimsandinteriorequipment
3.1.2.Hood
F25Hood
TheHoodismadeofsteelandfeaturesdeformationelementsforpedestrianprotection.
3.1.3.Undercarriageconcept
Thevehicleundercarriagewhichismoreorlessentirelysmoothreducesdragandupwardthrust.Spe-
cificairinletsensureoptimumcoolingofcomponents.Theunderbodycoversimproveacousticsand
protectlinesandothercomponentsagainststonechippingdamageanddirtcontamination.Thispro-
tectsthebodyandcomponentsagainstcorrosion.
Changestothevehicleunderbodyoromittingtrimpanelcomponentsleadstochangesintheairflow
atthevehicleunderbody.Thiscaninfluenceroadgrip.
25

30. F25Introduction
3.Exteriortrimsandinteriorequipment
F25Underbodypanelling(X3 xDrive35ishownasexample)
Index Explanation
1 Brakecoolingairramp
2 Underbodypanelling
3 Airguide
4 Heatinsulation
5 Wheelarchpanel
Theairguidesenhancetheeffectofthesmoothvehicleunderbody.Theyreducethedragofthe
wheelsandimprovetheoncomingflowthatcoolsthebrakes.Furthermore,integratedrampsintheve-
hicleunderbodyprovideadditionalcoolingofthebrakes.
3.2.Interiorequipment
3.2.1.Dimensions
F25 E83
Shoulderroom,front [mm] 1455 1412
Shoulderroom,rear [mm] 1423 1398
Elbowroom,front [mm] 1483 1433
Elbowroom,rear [mm] 1458 1452
Maximumheadroom,front [mm] 1033 1041
Maximumheadroom,rear [mm] 994 1002
Kneeroom,rear [mm] 61 39
Luggagecompartmentcapacity(rearseatsupright) [liters] 550 480
26

31. F25Introduction
3.Exteriortrimsandinteriorequipment
3.2.2.Materialandcolorconcept
Covers
InadditiontotheclassicequipmentcolorsBlackandSavannaBeige,thematerialandcolorrangeof
theF25hasbeenextendedtoincludeRedBrown,OysterandHavanna.
Equipment Explanation
Sensatec Thisleather-likesurfacehasavibranteffectandhasanaturalappear-
ancedespitebeingmanufacturedfromsyntheticproducts.TheAmerican
nameforthesurfaceisLeatherette.
ItisavailableinthecolorsBlackandBeige.
LeatherHigh TheoptionalequipmentNevadaLeatheravailableforXmodelstypically
hasaslightlymorerobustpronouncedgrainandisimpressiveduetothe
highqualityoftheleatherandpleasanttotouch.
ItisavailableinthecolorsBlack,SandBeigeandOyster(withMojaveand
ChestnutavailableinPriority1)
Decorativetrims
Equipment Explanation
Satinsilvermatt Thissatinmattshimmeringbasestriphasacharacterfulsilverappear-
ancewithalow-keymoderneffect.
Aluminiumfinegrain Thismetalstriphasanelegantbrushedappearance,providesasporty
coolhighlightandistherightcomplimentforamoresportycombination
ofmaterials.
Finelinebeigehigh- ThisoptionalequipmenthasbeennewlydevelopedfortheF25.It'sgrain
glossfine-woodtrim containsfinestreaksandislinearinappearance.Thewarmcolorofthe
tranquilwoodgraphicemphasizeswarmthandmodernity.
FinelineWavehigh- Thiswoodinteriortrimconveysanelegantclassicyetmodernfeeldueto
glossfine-woodtrim itsspecialwavestructureanddarkcolors.
3.2.3.Dashboard
TheF25hasaone-piecedashboardwithtwo-tonePVCskin.
27

32. F25Introduction
3.Exteriortrimsandinteriorequipment
F25Passengercompartment,dashboard
Theupperpartofthedashboardisalwaysblackandthelowerpartisavailableinblackorbeige.
Highlights
• Upgradingofcoverforlightoperatingfacilityandcenterfreshairgrillewithaccenttrims
• Upgradingviadecorativetrimaboveglovebox
• Storagecompartmentincenterofdashboardfeaturespush/pushfunction(basicequipment)
• Fold-downcompartmentondriver'sside(inconjunctionwithSA493,storagecompartment
package).
Plastic,aluminiumandwoodversionsofthedecorativetrimabovethegloveboxareavailable.
Invehicleswithintegratedautomaticheatingandair-conditioning2/1-zoneIHKA(SA534),theknurled
wheelsonthefreshairgrilleareilluminatedtomakethemeasiertofindatnight.
28

33. F25Introduction
3.Exteriortrimsandinteriorequipment
3.2.4.Centerconsole
F25centerconsole
Highlights
• Cladsideedges
• Robustcupholder.
Plastic,aluminiumandwoodversionsofthedecorativetrimonthecenterconsoleareavailable.
29

34. F25Introduction
3.Exteriortrimsandinteriorequipment
3.2.5.Storageoptionsatfront
F25Storageoptionsatfront
Index Explanation
1 Storagecompartment,dashboard(standardspecification)
2 Glovebox
3 Cupholder
4 Storagecompartment,centerarmrest
5 Fold-downcompartment
Thefold-downcompartmentonthedriver'ssideprovidesanadditionalstoragesurfacewithinthe
driver'sreach.
ThevolumeofthegloveboxandstoragecompartmentinthecenterarmrestintheF25isoneliter
morethanthevolumeintheE83.
Twodrinkscontainerseachwithacapacityof650 ml,ortheplug-inashtraysavailableasspecialac-
cessories,canbeaccommodatedinthecupholders.
30

35. F25Introduction
3.Exteriortrimsandinteriorequipment
F25Foldingcompartment,front
A1.5 literbottlecanbeeasilyaccommodatedinthefoldingcompartmentsofthefrontdoors.
3.2.6.Storageoptionsinrear
A1.0 literbottlecanbeeasilyaccommodatedinthefoldingcompartmentsofthereardoors.
Bothcupholdersareintegratedergonomicallywithineasyreachinthecenterarmrest.Thesecanhold
twodrinkscontainerseachwithacapacityof650 ml/0.68qrt,ortheplug-inashtraysavailableasspe-
cialaccessories.
3.2.7.Frontseats
ThefollowingfrontseatvariantsareavailablefortheF25:
• Basicseat,electrical,driver'sseatwithmemory
• Sportsseat,electrical,driver'sseatwithmemory
Seatequipment
Optionalequipment
Sportsseatsfordriver/frontpassenger(ZMPMSportPackage) Option481
Seatheatingfordriverandfrontpassenger/Rearpassenger Option494/496
(ZCWColdWeatherPackage)
Lumbarsupport,driver/frontpassenger(ZPPPremiumPack- Option488
age)
31

36. F25Introduction
3.Exteriortrimsandinteriorequipment
Seatadjustment
Inthemaximumequipmentspecification,theseatsoftheF25canbeadjustedineightdirectionsfor-
wardsorbackwards.
F25Maximumseatadjustment
Index Explanation
1 Headrestraintheightadjustment
2 Backrestangleadjustment
3 Backrestwidthadjustment
4 Forward/backseatadjustment
32

37. F25Introduction
3.Exteriortrimsandinteriorequipment
Index Explanation
5 Seatheightadjustment
6 Seatangleadjustment
7 Seatdepthadjustment
8 Lumbar-supportadjustment
Seatadjustmentoptions Seatadjustment,electrical,
driver'sseatwithmemory
(SA459)
Seatheightadjustment electrical
Forward/backseatadjustment electrical
Seatangleadjustment electrical
Backrestangleadjustment electrical
Headrestraintheightadjustment manual
Seatdepthadjustment manual
1
Backrestwidthadjustment electrical
1
Lumbar-supportadjustment electrical
2
1
Onlyinconjunctionwiththefollowingoptionalequipment:sportsseatsfordriver/frontpassenger
(SA481).
2
Onlyinconjunctionwiththefollowingoptionalequipment:lumbarsupport,driver/frontpassenger
(SA488).
F25Seatadjustment,driver(atseat),electricalsportsseatwithmemory
33

38. F25Introduction
3.Exteriortrimsandinteriorequipment
Index Explanation
1 Backrestwidthadjustment
2 Lumbar-supportadjustment
3 Forward/back,seatheightandseatangleadjustment
4 Backrestangleadjustment
5 ButtonM(storescurrentposition)
6 Button1(callsupstoredposition)
7 Button2(callsupstoredposition)
Seatheating
ThebuttonsforoperationoftheseatheatingareintheIHKAcontrolbox.
F25IHKAcontrolbox
Index Explanation
1 Buttonforseatheating,driver'sseat
2 Buttonforseatheating,frontpassengerseat
Crash-activeheadrest
Thefrontseatsareequippedwithcrash-activeheadrestraints.Theseheadrestraintsfeatureapy-
rotechnicactuatorthatepitomizesthedistanceandheightoftherestraintinrelationtotheheadin
theeventofarear-endcollisionofsufficientforce.Thisreducesthestressintheregionofthecervical
spineduringarear-endcollision.
Iftheactiveheadrestraintshavebeentriggered,thepyro-actuatorsmustbereplacedinthe
workshop.Itisessentialtorefertotherepairinstructionsplease.
34

39. F25Introduction
3.Exteriortrimsandinteriorequipment
Seatorheadrestraintcoversoraccessoriesformountingontheheadrestraintthatcouldre-
ducetheprotectiveeffectmustnotbeused.
F25Crash-activeheadrest
35

40. F25Introduction
3.Exteriortrimsandinteriorequipment
Index Explanation
A Drivingposition
B Supportactivated
C Crashposition
1 Support,upperpart
2 Tensionspring
3 Support,lowersectionwithpyrotechnics
Theheadrestraintsareadjustedviapreloadedtensionsprings.IftheACSMdetectsarear-endcolli-
sion,thepyrotechnicactuatorsareactivatedandthepreloadedtensionspringsarereleased.
3.2.8.Rearseats
Passenger-compartmentspaceincomparisonwithE83
• Widerpassengercompartment
(rearseatpassengerssit20 mm(0.78in)furtherapartwhichprovidesmoreroomforshoul-
dersandelbows
• Significantlymorekneeroom
• Rearseatpositionraisedby8mm90.31in)inrelationtofrontseat
• Thewaistlineis11mm(0.43in)lowerwhichsignificantlyimprovesthefeelingofspacewhen
comparedtocompetitormodels
• Isofixonleft/right(formaximumof2childseats).
Equipment
Rearseatheating(SA496)andathrough-loadingsystem(SA465)withseparatefoldingcentersec-
tionand40/20/40divisionareavailableasoptionalequipment.
F25Rearseatbackrest
3.2.9.Climatecontrol
IHKAisstandardfortheF25.
36

41. F25Introduction
3.Exteriortrimsandinteriorequipment
F25Controlpanelof2/1-zoneIHKA
• 2/1-zoneIHKA
Thefirstnumberdenotesthenumberofcontrollabletemperaturezones(temperatureselectorwheels)
andtheseconddenotesthenumberofcontrollableairvolumeandairdistributionzones(separatefan
settings).
The2/1-zoneIHKAthetemperaturecanbecontrolledonthedriverandpassengersideseparately.
WhentheALLbuttonofthe2/1-zoneIHKAispressed,thecurrenttemperaturesettingsonthedriver's
sidearetransferredtothefrontpassengerside.
The2/1-zoneIHKAalsofeaturesautomaticairrecirculationcontrol(AUC).Thismeansthatfreshair
containingodorsorpollutantsisblocked.Theinteriorairisthenrecirculated.
Equipment
IHKA
2/1-zone
Separatetemperaturecontrol,frontleft/right Yes
Independentventilation Yes
Anti-misting Yes
Automaticairrecirculationcontrol(AUC)(includingmicrofilter) Yes
Individualautomaticcontrolwith5 intensitylevels Yes
Solarcompensation Yes
ALLfunction(driver'ssettingsaretransferredtofrontpassenger) Yes
Highlights
TheF25featuresrapidcoolingandheatingbehaviorwithagreaterdegreeofcomfortintermsof
acousticsandlevelofcustomization.
• optimizedairflowrate
37

42. F25Introduction
3.Exteriortrimsandinteriorequipment
Foraheating/air-conditioningunitinthisclass,itdeliversoutstandingperformance.Theentire
volumeofairinthevehiclecanbereplacedupto3timesaminute.
• Fresh/recirculationairisfilteredthroughinteractionwithautomaticairrecirculationcontrol
sensor
Thequalityoftheintakeairismonitoredcontinuouslybyanautomaticairrecirculationcontrol
sensor.Thisensuresthatpollutantsdonotenterthepassengercompartmentwhendriving
intownsorthroughtunnels.Theincomingfreshairisalsocleanedbyacarboncanister.With
theairrecirculationfunction,airisalsofilteredinordertopreventsoilingoftheheatingandair
conditioningsystemcomponentsandpassengercompartmentandalsotoensurehygienic
operation.
• Solarandcondensationsensor
Acombinationsensorintegratedintothemirrorbasedeterminestheangleofincidenceand
theintensityofsolarradiation.ThismeansthatalthoughsolarradiationispresenttheIHKA
canmaintainanevenandpleasanttemperatureinthepassengercompartment.TheIHKAcan
reliablypreventfoggingofthewindowglassthroughselectivecontrolinterventionbymeasur-
ingthesurfacetemperatureofthewindscreenandairhumidity.
• Climatestylesandlayeringfunction
WhentheIHKAisinAUTOmode,thecustomercanadjusttheamountsofairaccordingto
hisindividualcomfortrequirementsusingfivedifferentclimatestyleswithoutexitingAUTO
mode.Theventilationtemperature(oncomingflowatupperbody)canbeadjustedindividually
viathelayeringfunction.
3.3.Luggagecompartment
Theluggagecompartmentcapacityis550liters.Theluggagecompartmenthasenoughspaceforfour
golfbagsorthreemountainbikes(forexample),aswellasthreeoccupants.
Highlights
• 12 V chargingsocketunderloadingfloor,e.g.forthestorageofcompactelectronicequipment
inaconcealedareacombinedwithchargingoptionforwhenthevehicleisinmotion(incon-
junctionwithSA493,storagecompartmentpackage)
• 12 V chargingsocketintrimpanelofluggagecompartmentonright
• Foldingandremovablecollapsiblebox,whichcanbestoredbelowtheloadingfloor(incon-
junctionwithSA493,storagecompartmentpackage)
• Flexiblestoragenetforthreedifferentattachmentpositionsincludingpocketfunction(incon-
junctionwithSA493,storagecompartmentpackage)
• Scratchandwear-resistantstainlesssteelloadingedge(inconjunctionwithSA3XL,X-Line
package)
• Luggagecompartmentseparationnet(SA413):therollerblindcassettecanbeunlockedat
thepushofabuttonwhichrepresentsasignificantimprovementintermsofcomfort.
38

43. F25Introduction
3.Exteriortrimsandinteriorequipment
3.3.1.Dimensions
F25Dimensions,luggagecompartment
F25 E83
Widthofluggagecompartment atnarrowest [mm] 1100 954
point(1)
(betweenwheelarches)
Widthofluggagecompartmentatwidestpoint [mm] 1200 1339
Luggagecompartmentopening(2) [mm] 914 937
Heightofopeninginbody(3) [mm] 812 846
Widthofrearopening–top [mm] 1010 1005
Widthofrearopening–bottom [mm] 1112 1125
Heightofloadingedgeaboveroadway (4) [mm] 680 659
Step,loadingedgetoloadingfloor [mm] 13 12
Lengthofluggagecompartment floor(5) [mm] 952 972
Lengthofluggagecompartmentfloor [mm] 1759 1710
(withfolddownrearseatbackrest)
Heightofluggagecompartment (6) [mm] 807 911
Heightofluggagecompartmentbelowroller [mm] 461 461
coverforluggagecompartment
Luggagecompartmentcapacity [liters] 550 480
Luggagecompartmentcapacity [liters] 1600 1560
(withfolddownrearseatbackrest)
39

44. BayerischeMotorenwerkeAktiengesellschaft
HändlerqualifizierungundTraining
Röntgenstraße7
85716Unterschleißheim,Germany