Genuine OEM BMW Retaining Bridge, Exhaust Turbocharger, part number 11155A54EB9. This part is designed to secure the exhaust turbocharger assembly in place. It is located in the exhaust system. Constructed from robust metal, it is built to withstand the high temperatures and pressures of the turbocharger environment. Genuine OEM parts are critical for ensuring the correct mounting and long-term reliability of the turbocharger.