What Is LIQUI MOLY Top Tec 6600 0W-20?

LIQUI MOLY Top Tec 6600 0W-20 is a premium low-friction engine oil based on synthetic technology. It is developed for modern petrol and diesel engines that require a suitable SAE 0W-20 lubricant and the relevant manufacturer specifications. The formulation is designed to provide reliable lubrication, maintain lubricating-film stability and help reduce engine wear and deposit formation under demanding operating conditions.

Its low-viscosity formulation supports cold-start performance and efficient engine operation. It is particularly suited to vehicles with start-stop systems where the vehicle manufacturer specifies a compatible oil. The correct oil specification is essential: not every engine can use 0W-20, even if it belongs to a manufacturer listed for this product.

Key Features and Benefits

• Reliable lubrication: Helps maintain a protective lubricating film between moving engine components.
• Wear protection: Designed to help minimise wear during normal operation and under demanding conditions.
• Engine cleanliness: Helps reduce unwanted deposits and maintain clean engine components.
• Cold-start performance: The 0W viscosity grade supports oil flow during cold starts in suitable applications.
• Fuel efficiency: Low-friction characteristics are designed to support efficient engine operation.
• Start-stop compatibility: Particularly suitable for compatible engines equipped with start-stop technology.
• Turbocharger compatibility: Tested for use in compatible turbocharged engines.
• Catalytic converter compatibility: Suitable for applications compatible with the product’s specifications.
• Oxidation stability: Designed to maintain performance over the service interval specified by the vehicle manufacturer.

Specifications and Approvals

LIQUI MOLY Top Tec 6600 0W-20 carries the following specifications and approvals:

• SAE viscosity grade: 0W-20
• ACEA C5
• ACEA C6
• API SQ
• BMW Longlife-17 FE+
• ILSAC GF-7A
• Jaguar Land Rover STJLR.03.5006
• MB-Approval 229.71
• MB-Approval 229.72
• Opel OV 040 1547-A20

LIQUI MOLY also recommends this oil for applications requiring certain additional specifications, including Chrysler MS-12145, Fiat 9.55535-GSX, selected Ford WSS-M2C specifications and VW 53057. These recommendations are not the same as formal manufacturer approvals, so confirm the exact requirement for your vehicle.

Vehicle Applications

This engine oil is developed for compatible petrol and diesel vehicles, particularly applications associated with BMW, Mercedes-Benz, Opel and other manufacturers that specify the required 0W-20 viscosity and corresponding oil approvals.

Vehicle brand alone does not establish compatibility. Before choosing this oil, check the owner’s manual or manufacturer service documentation for the correct viscosity, approval and engine requirements. Particular attention should be given to the engine code, model year, emissions system and service specification.

Available Pack Sizes

• 1 Litre: Article No. 21410
• 5 Litres: Article No. 21411

Pack availability may vary by market.

Application Instructions

Use only where SAE 0W-20 and the relevant product specification are permitted by the vehicle manufacturer. Follow the recommended oil capacity and service interval. Do not mix with other engine oils if you want the product’s specified performance characteristics. Always consult the vehicle’s service documentation before use.

LIQUI MOLY Top Tec 6600 0W-20 is intended for the correct applications—not as a universal replacement for every 0W-20 engine oil.

8. Compatibility Summary

For compatible petrol and diesel engines requiring SAE 0W-20 and matching specifications, including selected BMW, Mercedes-Benz, Opel and other manufacturer applications. Confirm the exact engine requirement and approval before purchase.