BMW E46 M3 Z3M S54 Engine Computer DME ECU Tuning
MSS54 or MSS54HP
You will be required to send us your DME for this tuning service.
The MSS54 and MSS54HP ECUs are both used for the S54 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.