See also:

Charging the battery
In the vehicle, only charge the battery via the terminals in the engine compartment, with the engine switched off. ...

Overview, instrument cluster
Overview, instrument cluster 1 Fuel gauge 2 Speedometer 3 Indicator/warning lamps 4 Tachometer 5 Engine oil temperature 6 Current fuel consumption 7 Electronic displays 8 Display/reset mil ...

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...