Replace BMW Key Battery It could be time to change your battery if your BMW key isn't able to open your car or turn on the engine. Fortunately, it's an easy fix. Simply remove the key fob, replace the battery and gently place it back. Follow these steps to get https://car-key-replacement61366.blogacep.com/35296028/how-bmw-key-fobs-impacted-my-life-the-better