Liqui Moly Engine Oil Additive is designed to provide superior protection for your vehicle's engine. It works by creating a protective film on metal surfaces, reducing friction and wear during critical engine start-up and high-load conditions. Regular use of this additive can help to maintain engine cleanliness by preventing the formation of harmful deposits and sludge. This contributes to optimal engine performance and can extend the lifespan of your engine components. Suitable for all types of gasoline and diesel engines with and without turbochargers. It is compatible with all commercially available engine oils.