Genuine OEM BMW EGR Cooler Tube Line, part number 11538592346. This component is part of the Exhaust Gas Recirculation (EGR) system, specifically designed to connect the EGR cooler to the exhaust manifold or pipe. It facilitates the flow of exhaust gases for recirculation, which helps reduce NOx emissions. The precise routing and material ensure proper function and durability within the engine bay. Genuine OEM parts guarantee exact fitment and resistance to exhaust system temperatures and pressures.