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. ...

Vehicle Overview
Redesigned for 2011, the sixth-generation 5 Series offers a longer wheelbase, better fuel efficiency and more conventional styling than its predecessor. Available in 528i, 535i and 550i trims, the ...

Locking the doors and windows
Rear doors Push the locking lever on the rear doors down. The door can now be opened from the outside only. Safety switch for the rear Press the button on the driver's door if children ar ...