The Genuine BMW Antenna Amplifier Diversity (315 Mhz) - 65209276065 is a high-quality, OEM replacement part for BMW vehicles. It is designed to improve the reception of radio signals by amplifying the antenna's output. This particular model operates at a frequency of 315 Mhz, making it compatible with a wide range of BMW models. The amplifier is made with durable materials and is built to the same specifications as the original part, ensuring a perfect fit and reliable performance. It is an essential component for maintaining clear and consistent radio reception in your BMW.