Troubleshooting Problems With BMW Keys Prior to the i8 and 7 Series, BMW keys were rather clunky black rectangles that needed to be inserted into the ignition slot to unlock the car and start it. But all that changed when the digital keys came along. But can it be hacked? https://carkeyreprogramming51413.mdkblog.com/35817165/it-s-the-complete-guide-to-bmw-key-cost