See also:

Connecting the cables
1. Open the cover of the BMW starting aid terminal. 2. Attach one terminal clamp of the positive jumper cable to the positive terminal of the battery, or to the corresponding starting aid termi ...

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 ...

Screw thread
Push out the cover by pressing on the top edge. Front Rear ...