The concept
The parking brake is used to prevent the vehicle from rolling when it is parked.
- Engine switched off: the parking brake acts on the rear wheels.
- Engine running: the parking brake acts on the disc brakes of the front and rear wheels via the hydraulic brake system.
The parking brake can be set manually or automatically:
- Manual: by pulling and pushing the switch.
- Automatic: by activating Automatic Hold.

See also:
Maintenance and repairs
Advanced technology, e.g., the use of modern
materials and high-performance electronics, requires suitable maintenance and
repair methods.
Therefore, have this work performed only by a
BMW cent ...
HDC Hill Descent Control
The concept
HDC is a downhill driving assistant that automatically
controls vehicle speed on steep downhill
gradients. Without applying the brakes, the
vehicle moves at slightly more than walking
...
Releasing
Press the switch while the
brake pedal is
pressed or transmission position P is engaged.
The LED and indicator lamp go out.
The parking brake is released.
Take the remote control with you
Ta ...
