How to Save Money on BMW Key Replacement BMW keys are more than just 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 an alternative key fob online https://car-key-reprogramming06530.blogars.com/29275120/why-everyone-is-talking-about-bmw-key-fob-replacement-right-now