The Genuine BMW Sound Insulat. Splash Wall Upper Part - 51486981131 is a high-quality product designed to provide sound insulation and protection for the upper part of the vehicle's splash wall. It is specifically designed for BMW vehicles and is made from durable materials to ensure long-lasting performance. This product helps to reduce noise levels inside the vehicle, providing a more comfortable driving experience. It also helps to protect the vehicle's interior from water and debris that may splash up from the road. This Genuine BMW product is an essential component for maintaining the overall performance and comfort of your vehicle.