The Genuine BMW Antenna Adapter Tubing - 65121388950 is a replacement part for BMW vehicles. It is a flexible tube that connects the antenna to the car's radio system. This adapter tubing is made from high-quality materials and is designed to fit perfectly in BMW models. It ensures a strong and stable connection between the antenna and the radio, allowing for clear and uninterrupted reception of radio signals. This product is an official BMW part and is recommended for use in maintaining the performance and functionality of your vehicle's radio system.