Protects the catalytic converter from clogging with soot. Cleans the injection system and the combustion chamber. Improves the combustion of the fuel. Clean engines reduce fuel consumption and therefore CO2 emissions. Prevents corrosion in the fuel system. Tested for use with turbochargers and catalytic converters. Suitable for all gasoline engines with a catalytic converter. Particularly as a preventative measure. 300 ml is sufficient for up to 70 liters of fuel. Effect remains for up to 2,000 km. Add to the fuel as a preventative measure. 300 ml is sufficient for up to 70 liters of fuel. Can be added at any time because mixing takes place automatically. Effect remains for up to 2,000 km. Catalytic Converter Cleaner 7110 Liqui Moly Catalytic-System Cleaner 300 ml.