BMW Key Fob Replacement BMW models today are equipped with a key fob which can be used to lock, unlock and start your car. These advanced fobs might require the replacement of a battery or to be reprogrammed for your BMW. Follow these steps to replace the lost BMW key https://the-keylab28449.ageeksblog.com/29488928/5-facts-bmw-key-fob-is-actually-a-good-thing