COOLANT M5.0 Ready to use is a coolant based on ethylene glycol which is nitrite-, phosphate- and amine-free. It meets the requirements of various manufacturers of high-performance engines. In addition to outstanding antifreeze protection, this coolant offers excellent year-round corrosion protection for all metals and alloys used in the cooling systems of combustion engines. In petrol and diesel engines made from cast iron, aluminium or a combination of both metals. COOLANT M5.0 can also be used in cooling systems made of aluminium or copper alloys