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

See also:
Pairing and connecting a device
Pairing a device
To avoid becoming distracted and posing
an unnecessary hazard both to your own vehicle's
occupants and to other road users, only
pair the device while the vehicle is stationa ...
CD changer
The BMW CD changer for six CDs is behind the left side panel in the cargo area.
Removing the CD magazineTo insert or remove CDs from the CD magazine, you must first remove it from the
CD changer: ...
Enabling DVD system
The DVD system can be enabled via iDrive.
1. "Settings"
2. "Allow rear control"
3. "Rear DVD system active"
Rear DVD system active ...
