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. ...

Information on the navigation data
1. "Navigation" 2. Open "Options". 3. "Navigation system version": information on the data version is displayed. ...

Volume of spoken instructions
Turn the volume button while giving an instruction until the desired volume is set. The setting is stored for the remote control currently in use. ...