Has A Lasting Effect. Increases Operational Reliability. Simple To Use. Tested For The Use With Catalytic Converters. BRAND - LIQUI MOLY is Germany's most popular brand of motor oil. For years awards such as "Top Brand" or "Best Brand" have reflected our excellent reputation among both experts and end consumers. These series victories are anything but a coincidence or merely automatic. They are the result of the daily commitment. It is this togetherness that makes us strong that makes us special that makes us successful around the world. It is this "us" that makes our brand!. Cost-Effective Due To Exact Dosage. Protects Fuel Against Oxidation And Aging