Engine internal washing fluid removes deposits. which reduce engine power. dissolves rubber and carbon residues. Contains highly effective cleaning agents and anti-wear additives. Use before each oil change ensures engine cleanliness. which extends its service life. Usage: 250 ml additive per 5 l of oil. Easy to use - add to old oil before oil change. Start the engine and let it idle for 5 minutes. Then turn off the engine and remove all used oil from the engine. Change the oil filter.