See also:

General information
The navigation system can determine the precise position of the vehicle, with the aid of satellites and vehicle sensors, and can reliably guide you to every entered destination. Navigation data ...

Audio playback
Selecting the track using the button Press the button for the appropriate direction as often as necessary until the desired track is played back. Selecting the track using the iDrive Audio C ...

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 ...