How to Replace a BMW Car Key BMW Digital Key allows owners to share their access with friends and family. BMW Connected App users on iPhone and Android can access this feature. The process of replacing the small battery in your BMW key fob is straightforward. Find out how on https://car-key-replacement97658.activablog.com/29616634/20-up-and-comers-to-watch-in-the-bmw-key-programmer-industry