Replace BMW Key Battery If your BMW key isn't opening your car or turning over the engine, it could be time to change your battery. It's simple to fix. Simply remove the key fob, replace the battery, and then gently put it back. Follow these steps to be back on https://carkeyreplacement69987.review-blogger.com/52497316/it-s-the-complete-list-of-bmw-key-fobs-dos-and-don-ts