See also:

Vehicle care
Car care products BMW recommends using cleaning and care products from BMW, since these have been tested and approved. Car care and cleaning products Follow the instructions on the container. W ...

Checking the coolant level
1. Do not open the hood until the engine has cooled down. 2. Turn the expansion tank cap counterclockwise slightly to allow any accumulated pressure to escape; then continue turning to open. ...

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