The Genuine BMW Upper Belt With Force Limiter Frnt Lft (Grey) - 72117226651 is a safety component for BMW vehicles. It is designed to be installed on the front left side of the vehicle and is used to secure the occupant in the event of a collision. The belt is made of high-quality materials and is specifically designed for BMW models. It features a force limiter mechanism that helps to reduce the impact of a crash on the occupant by gradually releasing the tension on the belt. The belt also has a grey color, which matches the interior of most BMW vehicles. This product is an original BMW part and is recommended for replacement or repair purposes.