Liqui Moly Pro-Line Engine Flush – Advanced Engine Cleaning for Optimal Performance
Give your engine a fresh start with Liqui Moly Pro-Line Engine Flush. This highly effective formulation is designed for the quick and safe removal of sludge, varnish, and other troublesome deposits from your engine right before an oil change. By thoroughly cleaning the engine interior, it ensures your fresh oil can immediately develop its full performance, restoring engine power, reducing exhaust emissions, and optimizing oil consumption .
✨ Key Features & Benefits:
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Deep Engine Cleaning: Effectively removes oil-soluble and oil-insoluble deposits and residues from all types of 4-stroke gasoline and diesel engines .
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Safe for Modern Systems: Can be safely used in vehicles with turbochargers, catalytic converters, and diesel particulate filters (DPF/GPF) .
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Restores Performance: Allows fresh engine oil to work at full capacity from the first start, helping to restore full engine performance and ensure proper oil flow .
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Protects Engine Components: Helps guarantee proper oil pressure in hydraulically activated systems and prevents corrosion on unprotected metal surfaces .
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Gentle and Economical: The formulation is highly economical, gentle on engine components, and does not attack common sealing materials .
️ Areas of Application:
Ideal for preventative maintenance and performance restoration on a wide range of vehicles:
How to Use:
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Add: Pour one full 500 ml can into the engine oil at operating temperature, immediately before an oil change .
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Idle: Let the engine idle for 10 to 15 minutes. Do not drive the vehicle or rev the engine during this process .
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Drain: Completely drain the old oil and replace the oil filter .
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Refill: Refill the engine with fresh, high-quality motor oil.
Application Note: A 500 ml can treats an oil system containing 3 to 5 liters of motor oil . Not suitable for use in motorcycles, particularly those with wet clutches .






