What to Do When You Lose Your BMW Keys BMW cars are expensive, and are equipped with sophisticated anti-theft technology. This makes them difficult to take away, but it also complicates things if you lose keys. If you've lost a BMW key, the first step is to contact your dealership. https://car-key-replacements76463.newbigblog.com/36101208/15-presents-for-your-bmw-key-fob-lover-in-your-life