Getting a BMW Spare Key You may require a replacement battery in your BMW key fob. Or perhaps you want to upgrade to a smart key, which substitutes your smartphone that is compatible with it as a key. For security reasons Replacement fobs need to be purchased from BMW and https://carkeyreprogramming51413.mdkblog.com/35866287/10-healthy-habits-for-a-healthy-bmw-key-1-series