See also:

Configuring the prewarning
After the warning function is switched on, the following can be set via the iDrive: The prewarning can be switched on/off. The time of the prewarning can be set. These settings have no effe ...

Camera
The camera is located near the base of the mirror. Keep windshield clean and clear in the area in front of the interior rear view mirror. ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...