Purpose and Specifications

Castrol EDGE 0W-40 A3/B4 is a premium full synthetic engine oil in a convenient 5L container, engineered with Fluid TITANIUM technology that strengthens under extreme engine pressure to prevent metal-to-metal contact and cut friction by up to 10% for smoother power delivery.

This oil flows effortlessly at cold starts down to -35°C, protecting your engine in freezing winters, while staying thick and strong up to 150°C in hot traffic or high-speed driving. It meets top specs like ACEA A3/B4, BMW Longlife-01, MB 229.5, VW 502.00/505.00, and Ford WSS-M2C937-A, making it ideal for European petrol and diesel cars, plus many Japanese, Korean, and hybrid models.

• Maximizes engine response by reducing deposits for quicker acceleration
• Delivers more horsepower with the same fuel compared to thicker oils
• Provides full protection over long drain intervals up to 15,000 km or 12 months

When to Use / Replace?

Use Castrol EDGE 0W-40 A3/B4 in modern high-performance engines needing superior protection during aggressive driving, towing, or extreme temperatures. Perfect for turbocharged or direct-injection motors where friction robs power.

Replace every 10,000-15,000 km or annually, or sooner if you drive in dusty conditions, do frequent short trips, or notice sluggish performance. Shelf life is 5 years unopened when stored cool and dry.

FAQ

Is this oil good for cold climates? Yes, the 0W rating ensures easy cold starts at -35°C, reducing wear on startup.

Can I use it in my BMW or VW? Absolutely, it's fully approved for BMW Longlife-01 and VW 502.00/505.00 specs.

How long does it last between changes? Up to 15,000 km or 12 months in normal driving, protecting through the full interval.