What to Do When You Lose Your BMW Keys BMW cars are costly and come with sophisticated anti-theft technology. This makes them difficult to take away and also makes things if you lose a key. The first thing to do if you lose your BMW key is call the dealership. https://car-key-reprogramming35045.canariblogs.com/the-biggest-issue-with-bmw-car-key-cover-and-how-you-can-fix-it-45265590