After the ignition is switched off

The roof can still be operated for approx. 1 minute, as long as no door has been opened.

    See also:

    Opening the main menu
    Press the button. The main menu is displayed. All iDrive functions can be called up via the main menu. ...

    Office
    ...

    Opening and closing: Using the remote control
    Persons or animals in a parked vehicle could lock the doors from the inside. You should therefore take the remote control with you when you leave the vehicle so that the latter can be opened from ...