Japanese vehicles require Silicate and Borate free coolant, while European vehicles require Phosphate free coolant. Nulons unique formula allows Nulon Blue Premium Long Life Coolant 100% Concentrate to be used as top up, service fill or dry fill in vehicles with blue coolant super long life technology. Nulon Blue Premium Long Life Coolant 100% Concentrate uses the latest unique organic additives and full glycol content to provide excellent cooling system protection from corrosion and anti-freeze/anti-boil performance for the latest model vehicles using blue coolant technology. Nulon Blue Premium Long Life Coolant 100% Concentrate provides protection up to 8 years or 500,000km, whichever occurs first, when using demineralised/deionized water at 50% volume dilution. When used as top up with other blue coolant, the original fluid remaining service life needs to be adhered to. Blue coolant technology has become the latest super long life coolant formula used in factory fill by many vehicle manufacturers in recent years. European brands such as Mercedes Benz and BMW have long been known to use blue coolant in their vehicle cooling systems. Nulon Blue Premium Long Life Coolant 100% Concentrate is formulated to suit both Japanese and European blue coolant.