How to Save Money on BMW Key Replacement BMW keys are more than just standard car keys. They are high-tech devices that improve vehicle security. The key fob communicates with the immobilizer system in order to stop your car from being hotwired or stolen. You can order an alternative key https://thekeylab05326.bloggazzo.com/29424253/10-misconceptions-your-boss-has-regarding-bmw-3-series-key-fob