See also:

Drive away without delay
Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its oper ...

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 ...

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 ...