Description
BMW E46 E39 Z3 M54 EWS (Immobilizer) Tuning
MS43 only (Not MS45)
You will be required to send us your unit for this service.
(+$150 for a unit while supplies last)
After our EWS tuning service, the engine swap will be Plug-and-Play.
The DME modifications are for off-road/race use only.
There are always risks when tuning. We are not responsible for any damages that may be the result of this service.Â
Please make sure your unit is a good unit before sending it.





Robert E. –
Will do business again in the future 100%…every thing worked perfectly!!!!!