Pentosin ATF-1 is serious quality transmission fluid that meets OEM specifications. This 5-liter jug contains fully synthetic fluid designed for lifetime use in automatic transmissions. Approved by Audi/VW (G 052 162 A1), BMW, Mercedes-Benz (236.11), Porsche, and many other manufacturers. Also meets ZF, Shell M1375.4, and Voith specifications. The synthetic base stocks with advanced additives provide superior wear protection and stable friction performance. Specifically formulated for modern transmissions with electronically controlled converter clutches. The shear-stable VI improver maintains viscosity under extreme conditions. Perfect for European vehicles and any transmission requiring high-quality synthetic ATF. Much better than generic fluids that might not meet specific manufacturer requirements. Definitely keeps your transmission running smoothly and extends its service life with proper maintenance.