The Genuine BMW Quarter Window Seal - 51357033646 is a high-quality replacement seal for the quarter windows of BMW vehicles. It is designed to provide a tight and secure seal between the window and the body of the car, preventing water and debris from entering the interior. This seal is made from durable materials and is an exact fit for BMW models, ensuring a seamless installation process. It is an essential component for maintaining the integrity of the vehicle's windows and protecting the interior from external elements.