How to Save Money on BMW Key Replacement BMW keys aren't just ordinary car keys. They are high-tech devices designed to increase security for your vehicle. The key fob communicates with the immobilizer system to prevent your vehicle from being hotwired or stolen. You can request a replacement key fob https://carkeyrepair87330.blogzet.com/15-gifts-for-that-bmw-3-series-key-fob-lover-in-your-life-44826710