BMW Key Fob Replacement BMW models today are equipped with a key fob that can be used to lock, unlock or start your car. These advanced keys often require a replacement battery, or might need to be re-programmed to your BMW. Follow these steps to replace the lost BMW key https://the-key-lab63312.blogsuperapp.com/30620998/15-documentaries-that-are-best-about-bmw-key-fob