Troubleshooting Problems With BMW Keys BMW keys were large black rectangles of plastic. They were inserted into the ignition to turn on and unlock the car. The digital key revolutionized everything. But can it be hacked? You can use a keyfob which is not genuine to activate Comfort Access on https://car-key-replacements27817.blogdomago.com/29374701/are-you-making-the-most-you-bmw-key-fob