Troubleshooting Problems With BMW Keys BMW keys used to be huge, black plastic rectangles. They were inserted into the ignition to start and unlock the car. The digital key revolutionized everything. But can it be hacked? Also, can you use a non-authentic keyfob to enable Comfort Access in your BMW? https://the-keylab66264.blogdal.com/30564832/are-the-advances-in-technology-making-bmw-key-fob-better-or-worse