Cleans the engine from the inside. Removes deposits from oil holes, bearings, the piston ring area, etc. Reduces engine noise and oil consumption. Improves compression. Increases the operational safety of the vehicle. Allows fresh oil to develop its full potential after the oil change. Application: Suitable for all petrol and diesel engines with or without diesel particulate filter (DPF). Engine cleaning before changing the oil. 500 ml sufficient for up to approx. 5 l of oil.