See also:

Charging the battery
In the vehicle, only charge the battery via the terminals in the engine compartment, with the engine switched off. ...

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. ...

Vehicle paint
Regular care contributes to driving safety and value retention. Environmental influences can act on the vehicle paint. Tailor the frequency and extent of your car care to these influences. ...