BMW E46 E39 Z3 M54 Engine Computer DME ECU Tuning
MS43 only (Not MS45)
You will be required to send us your DME for this tuning service.
(+$120 for a DME while supplies last)
The MS43 ECUs are used for the M54 BMW engines.
After our EWS modification service, the DME will be Plug-and-Play to make your engine conversion a breeze.
Any additional tuning services will be intended for track use only.
Please select the options that you would like to have included on your tuning service.
There are always risks when tuning DMEs. We are not responsible for any damages that may be the result of this service.
Please make sure your DME is a good unit before sending it.