What to Do When You Lose Your BMW Keys BMW cars are expensive and feature sophisticated anti theft technology. This makes them hard to take away however, it can also make things if you lose the key. If you lose the BMW key first step is to contact your dealer. https://car-key-reprogramming77131.blogunteer.com/29427026/the-best-way-to-explain-bmw-key-fob-to-your-boss