The Genuine BMW Green Windsreen Rain Sensor (Rlss-Hud-Kafas) - 51317337770 is a high-quality, OEM replacement part for BMW vehicles. This rain sensor is designed to detect rain and automatically activate the windshield wipers, providing convenience and safety for drivers. It is specifically designed for use with BMW models equipped with a Head-Up Display (HUD) and Camera-Based Driver Assistance System (KAFAS). This rain sensor is made from durable materials and is an exact fit for your BMW, ensuring optimal performance and reliability. It is a genuine BMW product, ensuring the highest level of quality and compatibility with your vehicle.