This product is a genuine BMW hose line for the headlight cleaning system. It has the part number 61677837557 and is designed specifically for use in BMW vehicles. The hose line is used to supply water to the headlight cleaning system, which helps keep the headlights clean and free from dirt and debris. It is a high-quality and durable product that is made to fit perfectly in BMW vehicles and provide reliable performance. This hose line is an essential component for maintaining the headlight cleaning system in optimal condition.