See also:

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

Voice operation
Vehicles equipped with the voice activation system: operation. Vehicles not equipped with the voice activation system: depending on the equipment, the mobile phone can be voice operated as descr ...

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 ...