Replace BMW Key Battery If your BMW key isn't opening the doors of your vehicle or turning the engine, it might be the time to replace your battery. It's a simple fix. Simply remove the key fob, replace the battery and gently put it back. Follow these steps to get https://the-key-lab61730.glifeblog.com/29382153/speak-yes-to-these-5-bmw-key-fobs-tips