The Genuine BMW Sound Insulating Wheel Housing Rear Left - 51487128069 is a part designed specifically for BMW vehicles. It is located in the rear left wheel housing and is responsible for reducing noise and vibrations from the road while driving. This product is made from high-quality materials and is an authentic BMW part, ensuring a perfect fit and optimal performance. It helps to create a quieter and more comfortable driving experience for both the driver and passengers. This sound insulating wheel housing is an essential component for maintaining the luxury and performance of your BMW vehicle.