Genuine OEM Audi oil pipe, part number 057145771R. This pipe is responsible for delivering pressurized oil to the turbocharger assembly to ensure proper lubrication and cooling of the bearings. It is positioned within the turbocharger oil supply circuit. Manufactured with high-pressure resistant materials, this pipe features precise routing geometry to prevent interference with surrounding engine components. Genuine OEM oil pipes are essential to ensure leak-free connections and the correct oil flow rate required for turbocharger longevity.