Replace BMW Key Battery If your BMW key isn't opening your car or turning over the engine, it might be time to replace your battery. It's simple to fix. You simply need to remove the key fob, replace the battery and gently place it back. Follow these steps and you'll https://car-key-repair05980.getblogs.net/62705009/learn-about-bmw-key-fobs-while-working-from-the-comfort-of-your-home