See also:

USB audio interface/audio interface for mobile phone
OverviewIt is possible to connect external audio devices. They can be operated via iDrive. Sound is output over the vehicle speakers. Options for connecting external devices > Connection via US ...

Audio/video playback
Audio Audio can be played back via rear entertainment from any source in the vehicle. Operation is the same as for the front audio playback. Video Video can be played back in the rear from the ...

Adjusting the volume
Turn the knob during an announcement. The volume remains constant even if the volume of other audio sources is changed. The volume is stored for the remote control currently in use. Not ...