LIQUI MOLY Top Tec 4100 5W-40 is a premium low-friction motor oil formulated with advanced synthetic technology. Designed for both petrol and diesel engines—including those with diesel particulate filters (DPF)—this oil delivers exceptional wear protection, fuel efficiency, and engine cleanliness. Suitable for vehicles meeting Euro 4, 5, and 6 emission standards, including common rail and pumped jet injection systems, as well as gas-powered vehicles (CNG/LPG). Approved by leading manufacturers such as VW, Mercedes-Benz, Porsche, and Ford, it supports extended oil change intervals of up to 30,000 km (per OEM guidelines). Tested and safe for use with turbochargers and catalytic converters, LIQUI MOLY Top Tec 4100 ensures optimal engine performance and long-term reliability.