See also:

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. ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

Suitable media
Use of CDs/DVDs ▷ Do not use self-recorded CDs/DVDs with labels applied, as these can become detached during playback due to heat buildup and can cause irreparable damage to the devic ...