BMW Key Fob Replacement Cost BMW dealerships typically charge between $400 and $650 for a new key fob that is programmed to your vehicle. You can save money by buying the BMW keyfob online and then having it programmed at home. The majority of BMW fobs come with replaceable batteries. https://the-key-lab42575.link4blogs.com/52009160/10-healthy-bmw-key-fob-replacement-habits