See also:

Odometer and trip odometer
Resetting trip odometer: With the ignition switched on, press button 1 in the instrument cluster. ...

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

Resetting the tone settings
All tone settings can be reset to the default setting. 1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Reset" ...