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

See also:
Speed limit
Display of a speed limit which, when reached,
should cause a warning to be issued.
Renewed warning if the vehicle speed drops below
the set speed limit once by at least 3 mph/
5 km/h.
Displayi ...
Configuring the warning time
After the warning function is switched on, the
warning time can be set via the iDrive. For a late
warning time, prewarning is deactivated.
These settings have no effect on the time of the
warni ...
Energy recovery
The energy of motion of the vehicle
is converted to electrical energy
while coasting. The vehicle
battery is partially charged and
fuel consumption can be lowered. ...
