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

See also:
Applying
The lever automatically engages after being
pulled up. ...
Screw thread
Left/right cover in the bumper: press on the arrow
symbol on the cover.
BMW X5: front
BMW X6: front
Rear
...
Continuing destination guidance
If the destination was not reached during the last
trip, destination guidance can be resumed.
"Resume guidance" ...
