How to Program a BMW Key Fob Using a BMW Key Programmer BMW key programming allows you to replace or add an extra key. Instructions for this are available in the manual of your car or online. The first step is to have a working key to begin the process. https://car-key-repair88410.ampedpages.com/it-s-the-myths-and-facts-behind-bmw-key-fob-replacement-57332883