Replace BMW Key Battery If your BMW key isn't opening the doors of your car or turning over the engine, it could be time to change your battery. Fortunately, it's a simple fix. All you need to do is remove the cover of the key fob then carefully remove and https://the-key-lab80178.p2blogs.com/29385505/10-bmw-key-fobs-related-projects-to-stretch-your-creativity