BMW Key Fob Replacement Cost BMW dealerships charge between $400 to $650 for a new car key fob. However, you can save a considerable amount of money by purchasing the BMW key fob online and then having it programmed at home. The majority of BMW fobs come with replaceable batteries. https://thekeylab-co-uk76905.develop-blog.com/36426736/bmw-key-fob-replacement-the-history-of-bmw-key-fob-replacement-in-10-milestones