Getting a BMW Spare Key The BMW's key fob might require an upgrade in battery. Perhaps you'd like to upgrade to a smart key that replaces your smartphone with a compatible key. BMW will prepare replacement fobs for your vehicle using its VIN. This is done to ensure security. This https://thekeylabcouk82224.techionblog.com/30240486/bmw-key-1-series-s-history-of-bmw-key-1-series-in-10-milestones