How to Program a BMW Key Fob Using a BMW Key Programmer BMW key programming allows you to add a second key or to replace one. Instructions for this can be found in the manual of your car or online. The first step is to have a working key to https://car-key-programming57254.webbuzzfeed.com/30640074/it-s-the-one-bmw-key-fob-replacement-trick-every-person-should-know