See also:

Maintaining current speed
Push, arrow 1, or pull, arrow 2, the lever to the resistance point. The car's current speed is stored and maintained. It is displayed on the speedometer and briefly in the instrument cluster. O ...

Airbags
Airbags 1 Front airbag, driver 2 Front airbag, front passenger 3 Head airbag 4 Side airbag 5 Knee airbags ...

Safety
Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...