See also:

Driving tips
This chapter provides you with information useful in dealing with specific driving and operating modes. ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

Maintenance and repairs
Advanced technology, e.g., the use of modern materials and high-performance electronics, requires suitable maintenance and repair methods. Therefore, have this work performed only by a BMW cent ...