What to do with your existing worn key case? Just unscrew it， remove the internal electronics (include immobilizer/transponder chip) and move them to this brand new key case. Replace the key blade. Then it is under control.<br> <br> Features:<br> 2 buttons.<br> A perfect replacement for a key with broken buttons or worn key case.<br> Key case only. NO interior (remote/electronics/transponder chip) unit inside.<br> NO brand logo on this item.<br> <br> Specifications:<br> Fitment:<br> for Mini Cooper One S<br> <br> Color: Black<br> Material: Plastic<br> Button: 2 buttons<br> Transponder Chip: No<br> Electronics/Battery: No<br> Item size: Approx.5.3 * 4 * 1.5cm / 2.1 * 1.6 * 0.6in<br> Item weight: Approx. 14g / 0.5oz<br> Package size: Approx. 10 * 7 * 1.5cm / 3.9 * 2.8 * 0.6in <br> Package weight: Approx. 15g / 0.5oz<br> <br> Package List:<br> 1 * Key Case<br> <br> Note:<br> This item is NOT a remote BUT a remote key shell case replacement.<br> There is NO interior (remote/electronics/transponder chip) unit inside.<br> Please be sure your existing key has the same profile with what showed in our product pictures before buying.<br> <br>  <br>  <br>  <br>  <br>