Getting a BMW Spare Key You may require replacing the battery in your BMW key fob. Or perhaps you want to upgrade to a smart key, which substitutes your smartphone with a compatible key. BMW will prepare replacement fobs for your car using its VIN. This is done to protect https://car-key-programming57254.webbuzzfeed.com/30574882/10-ways-to-create-your-bmw-key-1-series-empire