This is a MAIL IN SERVICE for all 2001-2005 Mazda Miata NB2 ECUs Including Mazdaspeeds. This will allow full removal of the Failure prone Lucas Immobilizer module. Typical symptoms of a failed nb2 immobilizer will be a short 1 to 2 second start followed by engine shut down, flashing immobilizer light and a code P1624

Turn around time is 24-48 Hours once ECU is recieved and will be mailed back free VIA USPS Ground advantage. UPS overnight is available at additional cost. 

Please feel free to ask any questions you may have. 

Once again this is a MAIL IN SERVICE. You must send in an ECU to be modified can be your factory ECU or any other ECU with the same PN as your original.