Replace BMW Key Battery It could be 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, replace the battery and gently place it back. Follow these steps and https://thekeylab-co-uk49920.mybjjblog.com/the-little-known-benefits-bmw-key-fobs-43373069