Why Buy a Genuine BMW Replacement Key? BMW key fobs are designed with security in mind. They only broadcast an unique identifier signal to your vehicle. This blocks unauthorized third party from hacking into your vehicle or copying the key. Key fobs used for keys are not compatible with BMWs https://wwwthekeylabcouk72831.blogpixi.com/30486525/this-is-the-ugly-facts-about-bmw-car-key