- Reduces hydraulic tappet noise and improves their performance - Cleans holes and channels in the oil circuit - Increases operational safety and driving comfort - Compatible with gasoline and diesel engines, with or without diesel particulate filter (DPF) - Suitable for mixing with all common engine oils - Tested on turbochargers and catalytic converters - The 300 ml container is sufficient for up to 6 liters of engine oil - Can be added at any time; after adding, warm up the engine - For best results, use at every oil change