Purpose and Specifications

Castrol Magnatec 5W-30 C3 is a fully synthetic engine oil engineered for modern gasoline and diesel vehicles that require ACEA C3 specifications. It's designed to protect your engine during the most critical moments—cold starts and city driving—when up to 75% of engine wear occurs.

This oil is compatible with European vehicles from Volkswagen, BMW, Mercedes-Benz, and other manufacturers that specify low-SAPS formulations. The 5W rating ensures fast flow in cold conditions, while the 30 viscosity maintains protection at operating temperatures. It's also suitable for vehicles equipped with diesel particulate filters (DPF) and gasoline particulate filters (GPF).

Key Benefits

• Cold Start Protection: Reaches vital engine components faster than heavier oils, forming a protective layer before full circulation begins
• Wear Protection: Delivers 50% better engine wear protection compared to industry limits, safeguarding valvetrain, timing chain, pistons, and bearings
• Fuel Efficiency: Optimized formulation reduces internal friction, contributing to improved fuel economy
• Engine Cleanliness: Detergents and dispersants minimize sludge buildup and keep piston rings and valve trains cleaner

When to Use / Replace?

Suitable For: Short-trip urban driving, stop-start city commutes, and modern vehicles requiring ACEA C2 or C3 specifications.

Oil Change Intervals: Follow your vehicle manufacturer's recommended service schedule, typically every 10,000–15,000 km or annually, whichever comes first. Check your owner's manual for exact intervals.

Operating Temperature Range: This oil performs effectively from approximately -30°C (cold start conditions) to +100°C (normal engine operating temperature).

Storage: Store in a cool, dry place. Shelf life is typically 3–5 years when stored properly in sealed containers.

Frequently Asked Questions

Q: Can I use this oil in my diesel vehicle?
A: Yes. Castrol Magnatec 5W-30 C3 is approved for both gasoline and diesel engines meeting ACEA C2 or C3 specifications. Always verify your vehicle's owner manual to confirm compatibility.

Q: Is this oil suitable for vehicles with diesel particulate filters?
A: Yes. The low-SAPS (low sulfated ash, phosphorus, and sulfur) formulation is specifically designed for engines equipped with DPFs and GPFs, protecting these after-treatment systems.

Q: How does this oil reduce engine wear during cold starts?
A: The 5W rating allows the oil to flow quickly at low temperatures, reaching critical engine parts faster than heavier grades. Combined with Magnatec's cling technology, it forms a protective layer even before the oil fully circulates through the engine.