Replace BMW Key Battery If your BMW key isn't able to open your vehicle or turning the engine, it could be time to change your battery. Fortunately, it's a simple fix. It's as easy as removing the key fob, then replace the battery and gently put it back. Follow these https://car-key-repair41420.ssnblog.com/29623030/learn-about-bmw-key-fobs-while-working-from-home