See also:

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

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 ...

System limits
Basic limits System operation is limited in situations such as the following: On steep hills, in steep depressions or in tight curves. When the camera is dirty or the protective glass i ...