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. ...

General information
Refuel promptly Refuel no later than at a range of 30 miles/50 km, or operation of the engine is not ensured and damage may occur.◄ ...

Deactivating the system
▷ Press the lever upward or downward twice, arrow 3. ▷ Switch off the ignition. The stored speed is cleared. ...