See also:

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 ...

Treble, bass, balance, and fader
▷ "Treble": treble adjustment. ▷ "Bass": depth adjustment. ▷ "Balance": left/right volume distribution. ▷ "Fader": front/rear volume ...

Interior rearview mirror, automatic dimming feature
Photocells are used for control: In the mirror glass. On the back of the mirror. For proper operation: Keep the photocells clean. Do not cover the area between the inside rearview ...