The Genuine BMW Radiator Flow Adjustment Screw - 17111437360 is a small, threaded screw designed specifically for use in BMW vehicles. It is used to adjust the flow of coolant through the radiator, allowing for precise control of the engine's temperature. This screw is an essential component in maintaining the optimal performance and efficiency of the vehicle's cooling system. It is made from high-quality materials and is an authentic BMW part, ensuring a perfect fit and reliable operation.