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 ...

Vehicle information
Owner's Manual Computer Vehicle ...

Opening
1. Unlock the belt lock of the center safety belt in the rear using the latch plate of another safety belt. 2. Insert the latch plate at the end of the belt into the specially designated fixtur ...