Troubleshooting Problems With BMW Keys Before the i8 and 7 Series, BMW keys were pretty clunky black plastic rectangles that had to be put into the ignition slot to unlock and start the car. But that all changed when the digital keys was introduced. However, can it be hacked? Also, https://carkeyreplacement81731.theideasblog.com/30665227/is-bmw-key-cost-as-vital-as-everyone-says