LIQUI MOLY Engine Flush Plus – Deep Clean for a Fresher Oil Change LIQUI MOLY Engine Flush Plus is a highly effective cleaning fluid that clears the engine interior of troublesome deposits before an oil change, bringing both oil-soluble and oil-insoluble residues into suspension so they're carried away with the old oil. Clears Internal Deposits: Removes troublesome build-up before an oil change. Fresh Oil Performs Better: Once cleaned, the engine gets the full benefit of new oil. Reduces Wear: A cleaner engine means less friction and extended service life. Toothed Belt Safe: Suitable for vehicles with a toothed belt running in oil. Application Instructions: Add to the motor oil at operating temperature before the oil change. Let the engine idle for around 10 minutes. Drain the oil and change the filter. One 300 ml can treats up to 6 litres of oil. Best For: Petrol and diesel engines. Pre-service engine cleaning. Vehicles due for an oil change. Give your engine a proper internal clean with LIQUI MOLY Engine Flush Plus. Order today for a fresher, more effective oil change.