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

See also:
5 Series in the Market
The things that trouble me about the 5 Series — high price, fewer standard
features than some competing models — are things that sort themselves out. If
BMW is asking too much for too little, cons ...
Opening
Pull on the opener and fold the cooler forward. ...
Built for Curves
Like BMW's cars, the X3 offers top-notch road manners. Some may find the
steering wheel too difficult to turn, but its heavy rotations render spot-on
directional control. The meaty steering wheel ...
