Troubleshooting Problems With BMW Keys Up until the i8 and 7 Series, BMW keys were rather clunky black rectangles that had to be put into the ignition slot to unlock the car and start it. However, that all changed when the digital keys was introduced. But can it be hacked? https://carkeyreprogramming73333.livebloggs.com/36343738/the-most-successful-bmw-key-cost-gurus-do-three-things