Critical Updates Six Sigma Case Study

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Lean Six Sigma Group Free Project Case Study Overviews http://www.linkedin.com/groups/Lean-Six-Sigma-37987
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Critical Updates Six Sigma Case Study

  1. 1. Six Sigma DMAIC Project BMW of North America, LLC Project Leader/Green Belt: Rob Szarszewski Project Leader Title: Deskside Support Engineer Project Start Date: 4-3-2003Master Black Belt: Steven Bonacorsi
  2. 2. Six Sigma in Action Critical Updates Cycle TimeCustomer Profile – BMW of North America – National Headquarters app 1500 users acrossNorth America Process Capability – Before T USLBusiness Problem & Impact 20Directed by customer to perform tasks within a restrictedtimeframe at lowest cost possible. Z_ST = 1.35 Frequency 10Measure & AnalyzeData Collection: Speed to apply critical updates were 0measured. The existing process sigma was 1.35 55 65 75 85 95 105 115 125 135 Critical Upgrade Cycle TimeRoot Causes: Slow network bandwidth was the major rootcause Process Capability – After T USLImprove & Control 15Eliminate process - Changed method from using Network orInternet to locate, download and Install and changed process Z_ST = 4.2 Frequency 10to use CDs with Patches pre-downloaded 5Results/BenefitsCustomer savings of $67K collectively a year on all trips to 0regional offices and completed all tasks in required timeframe 20 30 40 50 60 70 Critical Upgrade Cycle Time 80 90 100 110 120 A savings of US $67K in 2003!

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