How to Save Money on BMW Key Replacement BMW keys are more than standard car keys. They are high-tech gadgets that increase vehicle security. The key fob communicates with the immobilizer system to protect your car from being hotwired or stolen. You can order a replacement key fob online in https://car-key-replacements48611.ltfblog.com/29351989/5-bmw-key-fob-replacement-projects-that-work-for-any-budget