BMW 5 Series: Close the windows and glass 
sunroof - Saving fuel - Driving tips - BMW 5 Series Owners ManualsBMW 5 Series: Close the windows and glass sunroof

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

    Remove attached parts following use
    Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

    Check the tire inflation pressure regularly
    Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...

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    Operation
    Depending on the date of manufacture of your vehicle, the or symbol for the automatic headlamp mode/daytime running lamps is located on the light switch. Illustration: light switch with th ...

    Before Getting In
    l Be sure the windows, outside mirrors, and outside lights are clean. - Inspect inflation pressures and condition of tires. - Look under the vehicle for any sign of fluid leaks. - If you plan to ba ...

    Low beam, Halogen
    1. Remove the headlight housing from the vehicle (see page 306). 2. Remove the cover over the bulbs (see page 308). 3. Unplug the connector from the bulb. 4. Remove the bulb by pulling it straigh ...