Quicksilver SAE 5W30 4-stroke engine oil Optimises engine performance in the marine environment stabilises and remains a formula resistant to temperature changes and oxidation under extreme conditions. The use of this oil can: Protects the anti-pollution system Increases the service life of diesel particulate filters (DPFs) Provides protection against wear and corrosion, and helps extend engine life Approved for Volkswagen, Bmw, Mercedes and Porsche. Do not use in any 2-stroke engines. 4 litre packs on request