See also:

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. The PDC is shown on the Control Display. Switch on the backup camera via the iDrive. ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

Service history
Perform maintenance work at the service center and have them recorded in the vehicle data. The entries are like a service booklet of the documentation of regular maintenance. The entered mainte ...