Replace BMW Key Battery It might be the time to change your battery in the event that your BMW key won't allow you to open your car or turn on the engine. It's simple to fix. You simply need to remove the key fob, replace the battery, and then gently https://car-key-programming31388.myparisblog.com/30658842/14-questions-you-shouldn-t-be-anxious-to-ask-bmw-3-series-key-fob