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:

    Tire inflation pressures up to 100 mph/160 km/h
    For speeds of up to 100 mph/160 km/h and for optimum driving comfort, note the pressure values in the tire inflation pressure table, refer to page 238, and adjust as necessary. These pressure va ...

    Microfilter/activated-charcoal filter
    The microfilter traps dust and pollen in the incoming air. The activated-charcoal filter removes gaseous pollutants from the outside air that enters the vehicle. The service center replaces th ...

    Exterior
    The 5 Series is BMW's second-largest sedan, next to the 7 Series, and the wagon adds even more bulk. The rather large rump reminds me of more traditional wagons from the past, while competitors of ...