See also:

Vehicle battery
Battery careThe battery is 100 % maintenance-free, the electrolyte will last for the life of the battery when the vehicle is operated in a temperate climate. Your BMW center will be glad to advise ...

Exporting/importing contacts
Contacts can be exported and imported via the Personal Profile.  The contacts stored in the vehicle are exported, but not those from the mobile phone. ...

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