The Genuine BMW Finisher Window Frame B-Pillar Fl Door (Black) - 51337136951 is a replacement part for BMW vehicles. It is designed to fit on the B-Pillar of the front left door and has a black finish. This finisher is made from high-quality materials to ensure durability and a perfect fit. It is an authentic BMW product, ensuring that it meets the highest standards of quality and performance. This finisher is specifically designed for BMW models and is an essential component for maintaining the sleek and stylish look of the vehicle's exterior.