Suitable for all diesel engines with and without a diesel particulate filter. Preventive or remedial. Fully compatible with all conventional diesel and biodiesel fuels. 250 ml is sufficient for up to 75 l of fuel (dosage 1:300). The effect remains for up to 2,000 km. Tested for compatibility with turbochargers. Removes deposits in the diesel injection system and in the combustion chamber and prevents new deposits. Maintains all components of the diesel injection system. Prevents any seizing up and gumming up of nozzle needles. Boosts the cetane number, improves the ignition performance of the diesel fuel and ensures smooth engine running. Protects the entire fuel system against corrosion and wear. Optimizes the emission test values and the performance of the engine. Clean engines use less fuel and reduce pollutant emissions.