A look at the evolution of car keys, from crank-start days to app-based access, and the most brilliant and baffling designs ...

Some modern key fobs now also have some customization features, so you can personalize the device to better suit your needs. The multifunctional diamond button on a BMW key fob, for instance ...

It is now possible to share a BMW Digital Key across platforms between iPhone and Android devices. Previously, keys could only be shared via Apple iMessage. There is now no longer any need for a ...