It softly removes usual contaminations. It is multi-purpose for diesel and gasoline engines. It is safe, soft, it cleans in layers. It does not clog the channels and tubes of the oil system. It evaporates right after operation. It is fully removed from the system. It does not worsen the properties of the new oil. it forms a protective layer reducing friction. Application. Add in warmed-up oil before the change, start the engine and let it run for precisely 10 minutes in the idle run mode. Drain the oil, replace the oil filter and fill in the new high-quality oil. 300 ml of the additive is enough for 5 liters of motor oil.