Cleans the engine from the inside and removes deposits from oil passages, bearings, the piston ring area, etc. Reduces engine noise and oil consumption, improves compression, and increases the operational reliability of the vehicle. Allows fresh engine oil to reach its full performance after an oil change. Suitable for all gasoline and diesel engines, with or without a particulate filter. Ensures the flawless hydraulic function of oil-controlled systems such as VVT, VANOS, and similar. Can be used without hesitation in vehicles with oil-running timing belts. 1 liter is sufficient for up to 10 liters of oil capacity. Tested for catalytic converters and turbochargers. Application: 1 liter is sufficient for up to 10 liters of oil capacity. Add before the oil change to the warm engine oil. After adding, let the engine idle for 10-15 minutes depending on the level of contamination. Then perform an oil and filter change. Compatible with all commercially available motor oils.