Traffic congestion has increased dramatically; today even a normal driver can stop and start up to 18,000 times a year. That’s annoying, but worse, it slowly damages your engine – permanently. Uniquely, Castrol MAGNATEC’s breakthrough DUALOCK molecules cling to critical engine parts and lock together to: Form a powerful force field of protection Dramatically reduce both warm-up and stop-start wear by 50% Deliver unique patented protection designed specifically for modern driving Non-stop protection from every start. Application Castrol Magnatec 5W-40 C3 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN or earlier specification 5W-40 lubricant. Castrol Magnatec 5W-40 C3 is approved for use in a vehicles from a wide range of manufacturers, please refer to the specifications section and your vehicle handbook. Product Performance Claims ACEA C3 API SN Plus BMW Longlife-04 Meets Fiat 9.55535-S2 Warranted by Castrol to be completely suitable for use in vehicles where the following specifications apply: MB 229.31/ 229.51/ 229.52