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

See also:
Automatic deactivation of the front
passenger airbags
The system determines whether the front passenger
seat is occupied by measuring the resistance
of the human body.
The front, knee, and side airbag on the front
passenger side are activated or d ...
The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the
car is an extension of the driver. It's typically experienced in cars whose
various systems and characteristics are well- ...
Vehicle battery
Battery careThe battery is 100 % maintenance-free, the electrolyte will last for the life
of the battery when the vehicle is operated in a temperate climate. Your BMW center
will be glad to advise ...
