See also:

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. ...

Parts and accessories
For your own safety, use genuine parts and accessories approved by BMW. When you purchase accessories tested and approved by BMW and Original BMW Parts, you simultaneously acquire the assurance ...

Releasing
Raise lever slightly, press the button and guide the lever down. ...