The Genuine BMW Ultrasonic Transducer Dark Shadow - 66207850470 is a high-quality automotive component designed for use in BMW vehicles. This transducer is responsible for emitting ultrasonic waves that are used in various safety features, such as parking assistance and blind spot detection. It is made from durable materials and has a sleek dark shadow finish to match the aesthetics of the vehicle. This product is an essential part of the BMW's advanced technology and is a reliable and efficient choice for optimal performance.