Welcome to our AutoKey's Store. We provide a wide range of repairs and replacement key fobs, as well as offering a cut to code or picture service. If you want to cut/copy the key blade, please click here to pay the cutting blade extra fee. Condition: 100% Brand New Color: Black Button:3 Button (Lock/Unlock/Trunk) Key Blank: Yes Frequency: 315Mhz / 433Mhz / 866mhz How to exchange the 315Mhz to 433Mhz? default is 315Mhz , How to exchange as 433Mhz? 1. Pre and hold the Unlock button to install the Battery, waiting the Led light to stay on. (Must pre and hold the button before Installing the battery) 2. Release the Unlock button, pre the lock button 1 time again,wait for Led 2 flashes 3. Release the Unlock Button, Pre 2 times trunk button. be 433 mhz Electronics Board: Yes Battery : No Fitment: For BMW MINI Cooper... And other model with the same specifications of key blank and battery holder listed as below section... ImportantNote: Please Check and make sure your remote is using the same transmitter and chip as Our items before buying. Picture: The image is of the real product. Please compare your Car Key, make sure your item is as same as our product before you purchase. Package Includes: 1 X Remote Car Key