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. ...

Starting Roadside Assistance with BMW Assist or TeleService
General information In vehicles equipped with TeleService, support is first offered by TeleService Diagnosis and then, if necessary, by TeleService Help. 1. "BMW Assist" or "Conne ...

Setting the language
Press and hold the control button for approx. 12 to 13 seconds. Briefly press the control button again to switch between English "E" and German "O". The setting is stored au ...