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Description
LIQUI MOLY 1L Synthoil Premium Motor Oil SAE 5W40Low friction, fully synthetic motor oil for all season use in gasoline and diesel engines without particulate filters (GPF DPF). Benefits: saves fuel instant lubrication after cold start maximum engine performance keeps engine clean This Part Fits: Year Make Model Submodel 1992 1993 Audi 100 Base 1992 1994 Audi 100 CS 1992 1994 Audi 100 S 1992 1994 Audi 100 Quattro CS 1995 Audi 90 Base 1993 1994 Audi 90 CS 1993 1994 Audi 90 S 1995 Audi 90 Sport 1995
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1463 reviews
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Product Reviews
★★★★★ 5
Perfect
Color: 20pcs
Excellent value and a perfect replacement for the OEM clips. Nice secure hold.
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Reviewed in the United States on December 22, 2025
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive.
It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives.
While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Worth the money
Size: 150 ml, Pack of 1
Great line of car products. My BMW gets better gas mileage when I use it regularly.
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Reviewed in the United States on April 1, 2026
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