Mannol 9671 motor kaltreiniger engine room cleaner 450 ml deeply cleans engine compartments by removing oil residues burnt fluids road dirt dust road salts and other contaminants it softens and dissolves stubborn grime to reduce overheating risk it foams actively on vertical surfaces for thorough cleaning it is neutral toward plastics rubber painted surfaces chrome and all metal alloys it helps prevent oxidation of electrical connections and cracking of hoses it works on cars motorcycles trucks tractors garden equipment power tools and more apply from a distance let dwell then rinse with water for clean reliable engine performance