The document is a brochure for the 2011 BMW 3 Series Sedan that provides information about its exterior design, engine options, handling, interior features, safety features, and BMW EfficientDynamics technologies. It highlights the sharp exterior design of the 3 Series Sedan and describes its available inline six-cylinder engines, including a new TwinPower Turbo engine. It also discusses the sedan's precise handling, driver-focused interior, ample passenger and cargo space, and advanced safety features.