See also:

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. ...

Connecting electrical appliances
In your BMW, when the engine is running or the ignition is switched on, you can use electrical devices such as a hand lamp, car vacuum cleaner, etc. if at least one of the following sockets is ava ...

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly. ...