Lubricates and protects valve seat inserts in vehicles that originally require leaded fuel. For older petrol engines that originally required leaded petrol according to the manufacturer. For preventive use. Turbo and Kat tested. For direct addition to the fuel tank. For permanent use with every refueling. Important information on the disposal of used oil: You can recycle your used oil (combustion engine oils, gear oils, oil filters and oil-containing waste that regularly occurs during oil changes) in the amount of the fresh oil you bought from us, free of charge at our point of sale during operating hours: Return it Monday to Friday 9 a.m. to 4 p.m. or send it in packaging approved for the transport of dangerous goods at your own expense to: B + F Lubricant GmbH, Am Gewerbehof 13, 50170 Kerpen for free disposal. Any transport costs incurred are at the expense of the buyer. Please note the transport regulations of the shipping company, since waste oil is dangerous. If you change the oil, we recommend that you dispose of the used oil at the appropriate collection points in your place of residence