Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Maintenance
Maintain the vehicle regularly to sustain the road safety, operational reliability
and the New Vehicle Limited Warranty.
Specifications for required maintenance measures:
> BMW Maintenance syst ...
Exterior
BMW says the front-end modifications for 2006 have been "executed with the
utmost reserve and subtlety." In addition to the restyled hood, the 7 Series
sedans have reshaped rocker panels ...
Observe the following when refueling
The fuel tank is full when the filler nozzle clicks
off the first time.
Handling fuels
Obey safety regulations posted at the gas
station. ...