The Genuine BMW Cover Strip Left (Sw Seidenmatt) - 51138236893 is a part designed for use in BMW vehicles. It is a cover strip that is placed on the left side of the vehicle, and it has a seidenmatt (satin) finish. This cover strip is made from high-quality materials and is an authentic BMW product. It is designed to provide a sleek and seamless appearance to the left side of the vehicle. This cover strip is an essential component for maintaining the overall aesthetic of a BMW vehicle.