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

See also:
Using the remote control
General information
Take the remote control with you
People or animals left unattended in a
parked vehicle can lock the doors from the inside.
Always take the remote control with you
when lea ...
INTERIOR
The X5's interior lives up to luxury standards; it's not flashy, but the
quality materials used inside and the attention to detail tell you it's no
ordinary vehicle. My test car had upgrades like ...
Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
...
