See also:

Controls
Controls 1 Volume, on/off 2 Eject CD/DVD 3 CD/DVD drive 4 Change the entertainment source 5 Change station/track 6 Programmable memory buttons ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...

Have maintenance carried out
Have vehicles maintained regularly to achieve optimal vehicle economy and operating life. Have the maintenance carried out by your service center. Please also note the BMW Maintenance System ...