Liqui Moly Fuel System Treatment 300ml preserves and protects the entire fuel system against wear, deposits, and corrosion. It improves engine running and prevents a drop in performance. Clean engines use less fuel and reduce pollutant emissions. Suitable for all gasoline engines, particularly for preventive use in new vehicles. Tested for turbochargers and catalytic converters. To be added directly into the fuel tank. Contents sufficient to treat up to 75 liters of fuel. Effect remains for up to 2,000 km. It reduces residue, increases operational reliability, guarantees low pollutant emissions, guarantees low fuel consumption, guarantees consistently good engine performance, is highly economical, is tested for use with catalytic converters, minimizes wear, prevents corrosion in the fuel system, and assures an optimum mixture. For preventive maintenance, add to the fuel tank every 2000 km. The product mixes with the fuel automatically. The contents of one 300 ml can are sufficient for up to 75 liters of fuel. With a long-term effect lasting around 2,000 km.