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

See also:
Status of the Owner's Manual
The manufacturer of your vehicle pursues a policy
of constant development that is conceived
to ensure that our vehicles continue to embody
the highest quality and safety standards. In rare
cas ...
BMW 7 Series Owners Manual
h4 {color:#800000}
h3 {color:#0033CC}
h2 {color:#008000}
h1 {color:#FF0000}
...
Rear entertainment
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not avai ...
