Troubleshooting Problems With BMW Keys Prior to the i8 and 7 Series, BMW keys were rather clunky black rectangles that had to be inserted into the ignition slot to unlock and start the car. But that all changed when the digital keys came along. But is it possible to hack? https://the-keylab59433.thenerdsblog.com/35733444/what-is-bmw-key-cost-how-to-utilize-it