See also:

Opening
Press the switch to the resistance point. The window opens while the switch is held. Press the switch beyond the resistance point. The window opens automatically. Pressing again stop ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

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