See also:

Opening the Options menu
Press the button. The "Options" menu is displayed. Additional options: move the controller to the right repeatedly until the "Options" menu is displayed. Options menu ...

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

Shoulder support
Also supports the back in the shoulder area: Results in a relaxed seating position. Reduces strain on the shoulder muscles. ...