See also:

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

Exterior
The new 6 Series measures some 3 inches longer and 1.5 inches wider than its predecessor; it's a few tenths of an inch shorter at the roof level. As before, the car maintains a short front overhan ...

Notes
Use while driving If on a rare occasion it is necessary to use the parking brake while driving, do not use excessive force when applying it. When using it, keep the button on the lever dep ...