BMW 5 Series: Remove attached parts 
following use - Saving fuel - Driving tips - BMW 5 Series Owners ManualsBMW 5 Series: 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.

    Remove unnecessary cargo
    Additional weight increases fuel consumption. ...

    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:

    Brake Fluid
    The brake master cylinder and, on manual transmission vehicles, the clutch hydraulic system use the same reservoir. See Engine Compartment Overview  for the location of the reservoir. The reser ...

    System limits
    Top View cannot be used in the following situations: ▷ With a door open. ▷ With the trunk lid open. ▷ With an exterior mirror folded in. ▷ In poor light. A Check Control m ...

    How to jump start
    1. Make sure the booster battery is 12 volts and the negative terminal is grounded. 2. If the booster battery is in another vehicle, do not let the two vehicles touch. 3. Turn off all unnecessary ...