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. ...

Releasing
With the ignition switched on: Automatic transmission: Press the switch while the brake is pressed or transmission position P is engaged. The LED and indicator lamp go out. The parking bra ...

The concept
The parking brake is used to prevent the vehicle from rolling when it is parked. Engine switched off: the parking brake acts on the rear wheels. Engine running: the parking brake acts on ...