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MS41 TUNED ECU

from $200.00

Only for MS41.0, MS41.1, MS41.2, years 1996-1999

You may ship us your stock ECU to be tuned and shipped back, or you may purchase a fresh ECU for $75 more to have tuned and shipped to you.

Swipe through the photos to see each Stage's features and requirements.

Customization is available once added to the cart.

Compatible models:

E36 320, 323, 328

Z3 2.3, 2.8

E39 523, 528

Stage:
Pre-tuned ECU:

Only for MS41.0, MS41.1, MS41.2, years 1996-1999

You may ship us your stock ECU to be tuned and shipped back, or you may purchase a fresh ECU for $75 more to have tuned and shipped to you.

Swipe through the photos to see each Stage's features and requirements.

Customization is available once added to the cart.

Compatible models:

E36 320, 323, 328

Z3 2.3, 2.8

E39 523, 528

***6cyl vehicles only***

All ECUS come EWS deleted and are completely plug and play.

All stages offer an increase in horsepower and torque.

Disconnecting the battery for 2 hours is recommended before installation

Rear O2 and SAP Bypasses, are not intended to pass emissions. The intended purpose is to notify the ECU of no longer installed hardware which simultaneously removes the check engine light as the ECU is now aware of the hardware changes. In some cases, this can ready monitors, but understand, this is for offroad and/or competition use only. Please abide by your applicable laws. Read our Terms & Conditions for more information.
FOR OFF-ROAD USE ONLY