The Genuine BMW Finisher Window Frame B-Pillar Fl Door - 51338223833 is a replacement part for the window frame on the B-Pillar of a BMW vehicle. It is designed to fit perfectly and seamlessly into the existing frame, providing a clean and polished look. This finisher is made with high-quality materials to ensure durability and longevity. It is an authentic BMW product, ensuring the highest level of quality and compatibility with your vehicle. This finisher is specifically designed for the front left door of the vehicle.