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. ...

Oil change
An oil change should be carried out by your service center only. ...

Sockets
The lighter socket can be used as a socket for electrical equipment while the engine is running or when the ignition is switched on. The total load of all sockets must not exceed 140 watt at 1 ...