See also:

BMW Maintenance System
The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Fuel gauge
Fuel tank capacity: approx. 14 US gal/53 liters. You can find information on refueling on page 206. If the tilt of the vehicle varies for a longer period, when you are driving in mountainous ar ...