BMW Key Fob Replacement Cost BMW dealerships typically charge between $400 and $650 for a new key fob programmed to your car. However you can save a significant amount of money by purchasing a BMW key fob online and having it programmed at home. Most BMW fobs have replaceable batteries. https://the-key-lab81535.blog-ezine.com/30149106/10-healthy-bmw-key-fob-replacement-habits