What to Do When You Lose Your BMW Keys BMW cars are expensive, and are equipped with sophisticated anti-theft technology. This makes them hard to steal, but complicates matters when you lose your key. The first thing to do if you lose your BMW key is to contact the dealership. https://car-key-reprogramming55001.theobloggers.com/36343972/five-essential-tools-everyone-who-works-in-the-bmw-key-fob-industry-should-be-making-use-of