5w-30 C3 Diesel Engines

Castrol Magnatec 5W-30 C3 is a full synthetic engine oil with "Dualock" technology, designed for modern cars, especially those with stop-start systems, providing continuous protection against engine wear from the first moment of starting by clinging to vital engine parts like pistons and timing chains, meeting ACEA C3, API SN, and other specific manufacturer approvals (BMW LL-04, MB 229.31/226.5, Renault RN 0700/0710).