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. ...

CD changer
The BMW CD changer for six CDs is behind the left side panel in the cargo area. Removing the CD magazineTo insert or remove CDs from the CD magazine, you must first remove it from the CD changer: ...

Display
Display ▷ Lines, arrow 1: the system is activated. ▷ Arrows, arrow 2: at least one lane marking was detected and warnings can be issued. ...