See also:

CD changer
The BMW CD changer for six CDs is behind the left side panel in the cargo area. Removing the CD magazineTo insert or remove CDs from the CD magazine, you must first remove it from the CD changer: ...

External devices
Overview AUX-IN port Overview> It is possible to connect audio devices, e.g. MP3 players. Sound is output over the vehicle speakers. > Recommended settings: mid-level tone and volume settin ...

Multi-channel playback, surround
Choose between stereo and multi-channel playback, surround. Setting multi-channel playback, surround 1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone" ...