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:
1 Series M
Rather than the single-turbo setup from the 135i, the 1 Series M gets a
twin-turbo six-cylinder that's good for 335 hp and 332 pounds-feet of torque. In
extreme situations, the 1 Series M can ente ...
BMW Maintenance System
The maintenance system directs you to required
maintenance measures and thereby supports
you in maintaining road safety and the operational
reliability of the vehicle. ...
