BMW 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:
Wheels
If a wheel is bent, cracked or heavily corroded, it should be
replaced. Otherwise, the tire may separate from the wheel or
cause a loss of handling control. ...
Recommended clutch fluid
CAUTION
Never use different brands of clutch fluid together. Also, avoid mixing DOT 3
and DOT 4 brake fluids even if they are the same brand. ...
Washer fluid
Checking the washer fluid level
The reservoir is translucent so that you can check the level with a quick visual
inspection.
Check the fluid level in the washer fluid reservoir and add fluid if ...