Setting treble, bass, balance, and fader
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"

Tone
3. Select the desired tone settings.

Select the desired tone settings
4. To adjust: turn the controller.
5. To store: press the controller.
See also:
Software Update
The vehicle supports various external devices
depending on the current software version. With
a software update, the vehicle can support new
cell phones or new external device, for example.
...
Notes
BMW CD/DVD players and changers are officially
designated Class 1 laser products. Do not operate if the cover is damaged; otherwise,
severe eye damage can result.
Do not use self-recorded CDs/DV ...
Compartments in the doors
Do not stow any breakable
objects
Do not store any breakable objects, e. g.
glass bottles, in the compartments, or there is
an increased risk of injury in the event of an accident. ...
