BMW Key Fob Replacement Cost BMW dealerships charge from $400 to $650 for a new car key fob. You can save money by buying the BMW keyfob online and then having it programmed at home. Most BMW fobs are re-usable. You can purchase batteries at an electronics store or big-box https://car-key-replacement63588.alltdesign.com/what-experts-in-the-field-of-bmw-key-fob-replacement-want-you-to-know-49926250