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. Depen ...

Activating assistance functions
Several assistance functions can be active at the same time. Showing the parking aid lines "Parking aid lines" Pathway and turning lines are displayed. Showing the obstacle marking ...

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 ...