What Is LIQUI MOLY Top Tec 4100 5W-40?

LIQUI MOLY Top Tec 4100 5W-40 is a low-friction engine oil based on synthetic technology, developed for compatible modern petrol and diesel engines. Its formulation is designed to provide dependable lubrication, help reduce engine wear and support engine cleanliness during normal operation.

The oil features low-SAPS technology, which is important for engines requiring oils compatible with exhaust after-treatment systems. It is suitable for selected engines meeting Euro 4, Euro 5 and Euro 6 emission standards, including common-rail and unit-injector diesel engines. It may also be used in compatible CNG and LPG vehicles.

Product Specifications

Key Features and Benefits

• Wear Protection: Designed to help protect engine components against wear.
• Low-SAPS Formulation: Suitable for compatible engines requiring low-SAPS oil.
• Engine Cleanliness: Helps maintain engine cleanliness and control deposits.
• Rapid Oil Circulation: Supports lubrication after a cold start.
• High Shear Stability: Designed to maintain lubrication performance under mechanical stress.
• Reliable Oil Pressure: Formulated to support suitable oil pressure under different operating conditions.
• Turbocharger and Catalytic Converter Tested: Tested for use with these components.
• DPF Compatibility: Suitable for compatible vehicles with diesel particulate filters when the required specification matches.
• Multiple Pack Sizes: Available in 1L, 4L and 5L options.

Specifications and Approvals

The manufacturer lists these approvals and specifications:

• ACEA C3
• API SQ
• BMW Longlife-04
• MB-Approval 229.51

LIQUI MOLY also recommends this oil for applications requiring certain additional specifications, including Fiat 9.55535-H2/M2/S2, Ford WSS-M2C 917-A, GM dexos2, MB 229.31/229.52, Renault RN 0700/RN 0710 and VW 505 00/505 01.

Always check the current product data and your vehicle manufacturer’s requirements before use.

Recommended Applications and Compatibility

LIQUI MOLY Top Tec 4100 5W-40 is intended for compatible petrol and diesel engines where SAE 5W-40 and the applicable product specifications are required or recommended. It may be suitable for selected BMW, Mercedes-Benz, Volkswagen, Audi, Fiat, Renault and other vehicles, depending on the specific engine and required approval.

It is also suitable for certain CNG and LPG vehicles and compatible vehicles equipped with a DPF. Vehicle brand alone does not confirm fitment, so verify the engine specification before purchasing.

Important Usage Notes

1. Confirm the recommended viscosity and required oil approvals in the vehicle owner’s manual.
2. Do not assume that every vehicle requiring 5W-40 can use this product; the applicable specifications must also match.
3. Follow the vehicle manufacturer’s recommended oil-change interval.
4. LIQUI MOLY states that this oil can be mixed with commercially available engine oils, but optimum effectiveness is achieved when it is used unmixed.
5. Check the engine’s oil capacity before selecting a pack size.

Choose LIQUI MOLY Top Tec 4100 5W-40 when it matches your vehicle’s lubrication requirements and helps meet the engine’s protection and emissions-system needs.

Compatibility Summary

For compatible petrol and diesel engines requiring SAE 5W-40 and matching specifications such as ACEA C3, API SQ, BMW Longlife-04 or MB-Approval 229.51. Verify exact vehicle compatibility before ordering.