The Genuine BMW Outer Weatherstrip Left (Alu Satiniert) - 51337315405 is a high-quality weatherstrip designed specifically for BMW vehicles. It is made from aluminum with a satin finish, providing a sleek and modern look. This weatherstrip is designed to fit on the left side of the vehicle and helps to seal the exterior of the door, preventing water, dust, and debris from entering the interior. It is an authentic BMW product, ensuring a perfect fit and long-lasting durability. This weatherstrip is an essential component for maintaining the integrity of your vehicle's exterior and protecting it from the elements.