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

See also:
Distance to back of head: electrical
head restraints
The head restraint is automatically repositioned
when the shoulder support is adjusted. ...
xDrive
xDrive is the all-wheel-drive system of your vehicle.
Concerted action by the xDrive and DSC
further optimize traction and driving dynamics.
The xDrive all-wheel-drive system variably distribut ...
The concept
DSC prevents traction loss in the driving wheels
when driving away and accelerating.
DSC also recognizes unstable vehicle conditions,
such as fishtailing or nose-diving. Subject
to physical lim ...
