See also:

Automatic update
About twice a year, Sirius performs an update of the channel names and positions. The update takes place automatically and may take several minutes. ...

Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone". 3. "Reset" ...

Vehicle storage
If your vehicle is to be decommissioned for longer than three months, your BMW center or a workshop that operates according to BMW specifications will be glad to advise you. ...