Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Oil change
An oil change should be carried out by your
service center only.
...
Switching on automatically
With the engine running or the ignition switched
on, shift the selector lever into position R.
The image of the rear view camera is displayed
when the system has been switched on using
iDrive. ...
What to do if...
Only a black screen is visible.
Switch on the system.
There are no options available on the screen.
Switch over between the display screens.
Radio stations or TV channels are grayed out ...