The OEM BMW SMART KEY FOB KEYLESS REMOTE ALARM KR55WK49147 is a genuine replacement remote key for BMW vehicles, featuring a frequency of 315Mhz. This key fob provides access to the vehicle's alarm system, allowing for secure entry and exit. As a specific fit for BMW models, this product ensures compatibility and functionality for the convenience of the vehicle owner. Keys are already cut so will need new keys to match your car. Fob needs to be coded to open your car as well. Selling as a pair for cheap because of this. Just trying to get rid of them, throw me an offer