Cleans the engine from the inside and removes deposits from oil holes, bearings, the piston ring area, etc. Reduces engine noise and oil consumption, improves compression and increases operating reliability of the vehicle. Allows the fresh oil to realize its full potential following an oil change. Suitable for all gasoline and diesel engines with and without a particulate filter (DPF/GPF). Ensures the perfect hydraulic function of oil-controlled systems such as VVT, VANOS and similar. Can be safely used in vehicles with toothed belt running in oil. 500 ml sufficient for up to 5 l of oil. Tested for use with catalytic converters and turbochargers.