Why Buy a Genuine BMW Replacement Key? BMW key fobs were designed with security in mind. They only broadcast a unique identification signal. This stops unauthorized third parties from gaining access to your vehicle or cloning the key. Used key fobs are not compatible with BMWs and cannot be activated https://thekeylabcouk07297.estate-blog.com/29620300/how-do-you-explain-bmw-car-key-to-a-five-year-old