See also:

Opening
During opening, the trunk lid pivots back and up. Ensure that adequate clearance is available before opening. Opening from the outside Press the button on the trunk lid. Press the button ...

BMW Maintenance System
The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...

Switching the interior lamps on and off
Press the button. To switch off permanently: press the button for approx. 3 seconds. To clear this setting: press the button. ...