See also:

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Selecting channels
You can only listen to enabled channels. The selected channel is stored for the remote control currently in use. Via the iDrive 1. "Radio" 2. "Satellite radio" 3. Select &qu ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...