See also:

Fuel gauge
The vehicle inclination may cause the display to vary. Notes on refueling, refer to page 234. ...

If the worst comes to the worst: BMW Assist Emergency Call with automatic vehicle location
In the event of an accident in the new BMW 3-Series, the Advanced eCall function from BMW ConnectedDrive allows the emergency services to receive detailed information on the type of collision and ...

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