Eni Rotra FE 75W-90 is a synthetic gear lubricant with special E.P. (Extreme Pressure) features and an exceptional viscosity-temperature curve that ensures extremely smooth fluidity even at lower temperatures. This is the API “GL-4+” gear lubricant specifically formulated to meet the VW 501.50 (G 50) specification and therefore to meet the lubrication needs of the transmission-differential gearboxes (transaxle configuration) in Audi and Volkswagen front-wheel drive cars.