BMW 5 Series: Check the tire inflation 
pressure regularly - Saving fuel - Driving tips - BMW 5 Series Owners ManualsBMW 5 Series: 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 fuel consumption and tire wear.

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

    Drive away without delay
    Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its ope ...

    See also:

    Courtesy Rental Vehicle
    Your dealer may arrange to provide you with a courtesy rental vehicle or reimburse you for a rental vehicle that you obtain if the vehicle is kept for an overnight warranty repair. Rental rei ...

    Using the mechanical key (vehicles with a smart key system)
    To take out the mechanical key, push the release button and take the key out. The mechanical key can only be inserted in one direction, as the key only has grooves on one side. If the key ...

    Instrument Panel
    Instrument Panel A. Exterior Lamp Controls. Fog Lamps. Instrument Panel Illumination Control. B. Air Vents. C. Turn and Lane Change Lever. See Turn and Lane-Change Signals. Driver Information ...