See also:

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...

Data transfer
During the updating of BMW services, display the status of the data transfer. 1. "BMW Assist" or "ConnectedDrive" 2. "Options" Open. 3. "Data transfer" ...