The Genuine BMW Sunroof Drain Hose - 41217118181 is a high-quality replacement part for the sunroof drainage system in BMW vehicles. This hose is designed specifically for BMW models and is made from durable materials to ensure long-lasting performance. It is responsible for draining excess water and preventing leaks in the sunroof area. This product is an OEM (original equipment manufacturer) part, ensuring a perfect fit and function in your BMW. It is a crucial component in maintaining the proper functioning of your sunroof and protecting the interior of your vehicle from water damage.