See also:

Radio
When the same radio source is selected in the front and rear (e.g., FM/AM), the same radio station is played. Operation is the same as for the front radio. ...

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. ...

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. ...