Replace BMW Key Battery It might be time to change your battery If your BMW key won't allow you to open your car or turn on the engine. Fortunately, it's a simple fix. It's as easy as removing the key fob, then replace the battery, and then gently put it https://car-key-programming90152.blogunok.com/30455238/what-bmw-key-fobs-experts-want-you-to-be-educated