Replace BMW Key Battery It's probably the time to change your battery if your BMW key won't allow you to open your car or turn the engine. Fortunately, it's a simple fix. Simply remove the key fob, then replace the battery and gently place it back. Follow these steps to https://thekeylabcouk38247.mybloglicious.com/51156568/what-bmw-key-fobs-experts-would-like-you-to-be-educated