See also:

Adding engine oil
760i/Li: open/close flap When the flap is closed, it must latch Filler neck When the indicator lights up in the instrument cluster, add 1 US quart/liter of engine oil within the next 125 mi ...

Fuel gauge
The vehicle inclination may cause the display to vary. Notes on refueling ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...