Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Jump-starting
If the car's own battery is flat, your BMW's engine can be started by connecting
two jumper cables to another vehicle's battery. You can also use the same method
to help start another ...
Navigation
General information
Map
Split screen settings
Destination guidance with intermediate destinations
...