N Storm GOLD W1 10W-40 is formulated with a combination of synthetic and premium quality base oils and advanced additive which is high-quality semi-synthetic multigrade engine oil for use in gasoline, LPG and diesel engines of passenger cars, small commercial vehicles, light trucks and vans with or without turbocharger. Approvals and Specifications >API SL/CF >ACEA A3/B3-04 >MB Approval 229.1