The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.
See also:
Tire inflation pressures X5 xDrive50i with two rows of seats
...
Drivetrains
The 528i, 535i and 550i are rated at 240, 300 and 400 horsepower,
respectively. The turbocharged version of the 3.0-liter inline-six-cylinder in
the 535i makes the 550i superfluous, rocketing the ...
BMW Maintenance System
The maintenance system directs you to required
maintenance measures and thereby supports
you in maintaining road safety and the operational
reliability of the vehicle. ...