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:
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle, ...
Adjusting
Vehicle
Equipment
...
Easy to operate iDrive
Then there's the iDrive.
After testing a series of BMW's this year, I am starting to take a more
German approach to the iDrive. Americans are just stupid.
Please don't be offended by that if you ...