The Genuine BMW Window Cavity Strip Long Inner Left - 51357317849 is a high-quality replacement part for BMW vehicles. This strip is designed to fit in the window cavity of the left side of the vehicle and provides a secure seal to prevent water and debris from entering the car. Made from durable materials, this strip is built to withstand wear and tear, ensuring long-lasting performance. It is an authentic BMW product, ensuring a perfect fit and compatibility with your vehicle. This strip is easy to install and is an essential component for maintaining the integrity of your car's windows.