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

See also:
Crunching the Numbers
Prices for the X5 start at $47,500 for the xDrive30i; the diesel costs
$51,200 and the lineup peaks at the $56,200 xDrive48i. Standard features include
faux leather upholstery, power front seats, ...
Roadside Assistance
BMW Roadside Assistance is available by phone around the clock in many countries.
You can obtain support there in the event of a breakdown. ...
Special windshield
The windshield is part of the system.
The shape of the windshield makes it possible
to display a precise image.
A film in the windshield prevents double images
from being displayed.
Therefore, ...
