The Genuine BMW Strut Assembly - 31316873803 is a suspension component designed for BMW vehicles. It is a complete unit that includes a shock absorber, coil spring, and other necessary parts for proper installation. This strut assembly is an authentic BMW part, ensuring high quality and compatibility with the vehicle. It is used to improve handling, stability, and overall ride comfort. This product is manufactured to meet BMW's strict standards and is recommended for replacement by certified technicians.