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

See also:
Front
Active seat ventilation
1. Seat heating
2. Active seat ventilation
Press button 1 or 2 once depending on the temperature
or ventilation position. The LED in the
respective button lights up.
...
The concept
This system issues a warning at speeds above
approx. 40 mph/65 km/h if the vehicle is about
to leave the lane on roads with lane markings.
The steering wheel begins vibrating gently. The
time o ...
Overview
The launch of the fifth generation of the BMW 7-Series sets a new benchmark
in automotive luxury, technical innovation and class-leading driving dynamics,
combined with emissions reducing and fuel ...
