Troubleshooting Problems With BMW Keys BMW keys used to be large, black plastic rectangles. They were put into the ignition to start and unlock the car. But that all changed when the digital key came along. However, can it be hacked? You can use a keyfob that is not authentic https://car-key-reprogramming30394.blogdiloz.com/29504323/a-help-guide-to-bmw-key-cost-from-beginning-to-end