The Genuine BMW Ultrasonic Transducer AlpinWhite (U300) - 66209283750 is a high-quality automotive part designed for BMW vehicles. This transducer is used for ultrasonic sensors, which are responsible for detecting objects and obstacles in the vehicle's surroundings. It has a sleek AlpinWhite finish and is made with durable materials to ensure long-lasting performance. This specific model, with part number 66209283750, is compatible with various BMW models and is an authentic BMW product. It is an essential component for the safety and functionality of the vehicle's advanced driver assistance systems.