How to Program a BMW Key Fob Using a BMW Key Programmer BMW key programming allows you to add an additional key or replace one. The instructions for this can be found in the car's manual or on the internet. First, you need a working key to begin the process. https://car-key-reprogramming92659.boyblogguide.com/29432783/the-reason-why-bmw-key-fob-replacement-is-the-most-sought-after-topic-in-2023