Switching off
The system can be deactivated as follows:
▷ 
Press the button.
▷ Switch off the ignition.
See also:
Controls
1 Change entertainment sources
2 Volume, on/off
3 Programmable memory buttons or radio station buttons
4 Change station/track
5 Eject CD/DVD
6 CD/DVD drive
7 Change wave band ...
Treble, bass, balance, andfader
► "Treble": treble adjustment.
► "Bass": depth adjustment.
► "Balance": left/right volume distribution.
► "Fader": front/rear volume ...
Tire inflation pressure values over 100 mph/160 km/h
320i
328i
335i
...