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

See also:
At a glance
At a glance
1 Air toward the windshield and side windows
2 Air for the upper body
3 Air to footwell
4 Automatic climate control with 2-zone control
Automatic climate control with 4-zone control ...
Starting the Concierge service
1. "BMW Assist" or "ConnectedDrive"
2. "Concierge"
Starting the Concierge service
3. "Start service"
A voice connection is established with the BMW
Assi ...
Weights
The values preceding the slash apply to vehicles
with manual transmission; the values following
the slash apply to vehicles with automatic transmission.
...
