Emerald M3DK to K3 upgrade

If you are the owner of an Emerald M3DK and your ECU's serial number is later than 41272 then you can take advantage of our upgrade to the later K3 ECU specification.  For more on the benefits and additional features the K3 will offer you please see our K3 Specification section for more information.  If you would like to proceed with our K3 upgrade please enter your ECU's Serial number below and click the "Add to cart" button.  Once you receive your Order confirmation email, send us your M3DK ECU. Return postage of the ECU back to you following the upgrade is included.

Please note that this upgrade is ONLY applicable for ECU's with Serial numbers LATER than 41272.