Removes deposits on injection valves, intake valves, spark plugs and in the combustion chamber and prevents them from reforming. Eliminates start problems and rough engine running. Cares for all components in the gasoline injection system. Protects the entire fuel system from corrosion. Improves the throttle response and compression. Optimizes the emission test values and performance of the engine. Clean engines need less fuel and reduce emissions.Suitable for all gasoline engines - as a preventative measure or to solve problems. Tested safe with catalytic converters and turbochargers. For adding directly to the fuel tank. 300 ml are sufficient for up to 70 l fuel. Effect lasts up to 2,000 km.