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 buying a BMW key fob online and then having it programmed at home. The majority of BMW fobs come with replaceable batteries. https://car-key-replacements51447.blogvivi.com/30784312/15-inspiring-facts-about-bmw-key-fob-replacement-the-words-you-ve-never-learned