See also:

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

BMW Assist or ConnectedDrive
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Comfort function
▷ Press the switch twice with the sunroof open: The sunroof is raised. ▷ When the sunroof is raised, briefly press the switch twice in the opening direction: The sunroof is opene ...