See also:

Right-hand/left-hand steering
The digital compass is set for right-hand or lefthand steering at the factory ...

Adaptive brake assistant
In combination with the Active Cruise Control, this system ensures that the brakes respond even more rapidly when braking in critical situations. Refer also to Collision warning ...

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 ...