See also:

Drive-off assistant
This system supports driving away on gradients. The parking brake is not required. 1. Hold the vehicle in place with the foot brake. 2. Release the foot brake and drive away without delay. After ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

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 ...