See also:

Connecting headphones
You can connect headphones with a jack plug or operate them using the infrared interface. To enable optimal use of the infrared interface, use infrared headphones that comply with the IEC 61603 ...

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 via ...

Before mounting
Before mounting child restraint fixing systems, ensure that the rear seat backrests are locked. ...