Troubleshooting Problems With BMW Keys Before the i8 and 7 Series, BMW keys were quite clunky black plastic rectangles that needed to be put into the ignition slot to unlock and start the car. However, that all changed when the digital key came along. But is it possible to hack? https://carkeyreprogramming51413.mdkblog.com/35866548/this-is-the-history-of-bmw-key-cost-in-10-milestones