Troubleshooting Problems With BMW Keys BMW keys were huge, black plastic rectangles. They were put into the ignition to start and unlock the car. The digital key changed everything. However, can it be hacked? Can you use a keyfob which is not authentic to activate Comfort Access on your BMW? https://the-key-lab79417.elbloglibre.com/30106301/it-s-the-complete-guide-to-bmw-key-cost