As far as I am concerned, the best Oil Additive available.
Cost – £9.99 buy here
Conditions of testing – every fourth engine service or first service after purchasing a second hand bike
Length of time tested – years
Value for money – 5/5
Quality – 5/5
Functionality – 5/5
Overall score 15/15
Cleans the engine from the inside and removes deposits from oil holes, bearings, the piston ring area, etc. Reduces engine noise and oil consumption, improves compression and increases operating reliability of the vehicle. Allows the fresh oil to realize its full potential following an oil change.
Suitable for all petrol and diesel engines with and without a particulate filter (DPF/GPF). Ensures the perfect hydraulic function of oil-controlled systems such as VTEC and similar. Can be safely used in vehicles with toothed belt running in oil.
500 ml is sufficient for up to 5 l of oil. Tested for use with catalytic converters and turbochargers.
Application
500 ml is sufficient for up to 5 l of oil. Add to motor oil at operating temperature before an oil change.
Features:
- Cleans the engine from the inside
- Cleaning and flushing out the oil systems of petrol and diesel engines
- One 500 ml can is sufficient for up to 5 litres of oil
- Removes deposits from lubrication holes, oil screens, piston ring zone etc.
- Reduces engine noise and oil consumption
- Improves compression
Article written by Nige.
Last update: February 2025
Nige is a qualified motor vehicle mechanic, whilst not working as a mechanic full time any more, he still works on his own bikes and friends vehicles. He uses Liqui Moly every 4th engine service to keep his engines in the best possible working order.
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