Liqui Moly System Reiniger petrol additive Combination of highly effective additives with cleaning and protective action for 2- and 4-stroke petrol engines. Removes deposits from injection and intake valves, spark plugs and the combustion chamber, preventing them from forming again. Improves engine operation. Eliminates difficult starts and makes the engine run round again. Reduces fuel consumption and harmful emissions. For all injection and carburettor systems of petrol engines. To be added to the fuel tank to solve problems or as a preventive measure. 500 ml are sufficient for 250 l of fuel. A full 25 ml dispenser is sufficient for 12.5 l of fuel.