See also:

Instrument cluster
1.Speedometer 135i: with fuel gauge 2.  Indicator lamps for turn signals 3.  Indicator and warning lamps 4.  Tachometer 5.  Fuel gauge 135i: engine oil temperature 6.  ...

Switching on automatically
Select transmission position R with the engine running. The backup camera image is displayed if the system was switched on via the iDrive. ...

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telepho ...