See also:

2012 BMW 3 Series Sedan: First Look
Competes with: Mercedes-Benz C-Class, Infiniti G37, Audi A4 Looks like: A little bit bigger outside, just a teensy bit bigger inside Drivetrain: 240-hp, 2.0-liter twin-turbocharged inline-four cylin ...

Reporting safety defects
For US customers The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you ...

Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...