See also:

Vehicle battery
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. Batt ...

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

Maintenance and repairs
Advanced technology, e.g., the use of modern materials and high-performance electronics, requires suitable maintenance and repair methods. Therefore, have this work performed only by a BMW cent ...