What to Do When You Lose Your BMW Keys BMW cars are expensive and come with sophisticated anti-theft technology. This makes them hard to steal, but it also complicates things if you lose the key. The first thing to do if you lose your BMW key is call the dealership. https://carkeyreprogramming51413.mdkblog.com/35700871/9-signs-that-you-re-an-expert-bmw-car-key-cover-expert