Troubleshooting Problems With BMW Keys BMW keys were large, black plastic rectangles. They were put into the ignition to turn on and unlock the car. But that all changed when the digital key came out. But is it possible to hack? You can use a keyfob which is not genuine https://thekeylab33350.bloggadores.com/29652239/bmw-key-cost-tips-from-the-most-successful-in-the-business