Getting a BMW With a Smart Key For St Louis-area drivers who wish to add additional BMW keys to their automobile, the process is relatively easy. The most advanced key fob, the Display Key, has a touchscreen with a color display and controls features such as climate control and preconditioning. https://car-key-programming57254.webbuzzfeed.com/30688269/ten-things-everybody-is-uncertain-about-the-word-bmw-key-1-series