See also:

USB audio interface/mobile phone audio interface
At a glance It is possible to connect external audio devices. They can be operated via iDrive. The sound is output on the vehicle loudspeakers Connectors for external devices ▷ Connection ...

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Unpairing a device
1. "Telephone" 2. "Bluetooth® (phone)" 3. Highlight the device that is to be unpaired. 4. Open "Options". 5. "Remove phone from list" Unpairing a device ...