Underbonnet Screen

This belly pan is compatible with BMW 120i, 125i, 128i, and 135i M Sport Coupe models only. The underside of modern vehicles is littered with vital components that need to be protected from all of the debris that can fling up off the road, as well as potholes and large bumps. The stock plastic belly pan’s job is to protect the underside of your car. It served its function of cooling, road noise reduction, and protection from minor road debris. So replace your cracked or broken one with this genuine BMW replacement.

Part 51758046494 is identified as number 01 in the diagram.