The Genuine BMW Sound Insulating Door Rear Right - 51487181378 is a high-quality replacement part for BMW vehicles. It is designed to reduce outside noise and improve the overall sound quality inside the vehicle. This product is specifically made for the rear right door of the vehicle and is made from durable materials to ensure long-lasting performance. It is an authentic BMW part, ensuring a perfect fit and compatibility with the vehicle. This sound insulating door is essential for a comfortable and quiet driving experience.