The Genuine BMW Telephone Antenna Multi-Band Primed - 84506912138 is a high-quality antenna designed specifically for use in BMW vehicles. It is a multi-band antenna, meaning it can pick up signals from a variety of different frequencies, including AM, FM, and various cellular bands. The antenna comes primed and ready for painting to match the exterior of your vehicle. It is a genuine BMW product, ensuring the highest level of quality and compatibility with your vehicle. With this antenna, you can enjoy clear and reliable reception for your phone calls and radio stations while on the road.