The Genuine BMW Sound Insulation for the Engine Compartment is a high-quality product designed specifically for BMW vehicles. It is part number 51489119890 and is made to fit the right side of the engine compartment. This sound insulation is made from durable materials and is designed to reduce engine noise and vibrations, providing a quieter and more comfortable driving experience. It is an essential component for maintaining the smooth and quiet operation of your BMW engine. This product is an authentic BMW part and is guaranteed to fit and function properly.