Why Buy a Genuine BMW Replacement Key? BMW key fobs were designed with security at the forefront. They only transmit an unique identifier signal to your vehicle. This prevents third-party hackers from hacking into your vehicle or copying your key. Key fobs used for keys are not compatible with BMWs https://carkeyprogramming13337.theisblog.com/30363116/14-businesses-doing-an-amazing-job-at-bmw-car-key