Castrol Edge Professional OE Full Synthetic 5W-30 (6 Quarts Case) This oil is usually exclusively for OEM New car Dealerships but now available to you thru LubeUdo This oil formulation also contains color that is visible only under a UV light, which represents the signature of authenticity. This oil is endorsed and recommended by OEM partners such as Audi, BMW, Jaguar, Land Rover, Mazda, Mini, Volkswagen and Volvo. Advanced Full Synthetic Meets: API SN, ILSAC GF-5, GF-4, GF-3, ACEA: A1/B1, A5/B5 CASTROL EDGE IS ENGINEERED WITH TITANIUM FLUID STRENGTH TECHNOLOGY WHICH TAKES SYNTHETIC OILS TO THE NEXT LEVEL; IT CONTAINS A PATENT PENDING LIQUID TITANIUM MOLECULE THAT INCREASES MOTOR OIL STRENGTH. THIS DYNAMIC SYSTEM OF FLUID STRENGTH TECHNOLOGY CONTINUOUSLY RESPONDS TO YOUR ENGINE'S EVERY NEED UNDER ALL CONDITIONS TO DELIVER MAXIMUM PERFORMANCE.