Important:
1. Please Grab an Infolog from the Original OEM ECM before removal and unlocking
2. Part 1 of this video explains how to do that - InfoLog Instructions
3. Once the infolog is taken complete the E46 Upgrade Kit procedure
4. With ECM Upgraded take another infolog of the Unlocked HPT ECM and a stock read
5. Send the 2 info logs and the 1 stock read to us
**This is only Compatible with MPVI2, MPVI2+, MPVI3, and MPVI4.
The GM E46 ECM requires you to do the Unlock Service through HPTuners CLICK HERE
In order to enable diagnostic and tuning.
2020/2022 Require 6 Credits for the ECM
*These Tunes are custom and are made specifically for stock. off--road, or race truck application. Please let us know all of your engine mod(s) eg. Lift Pump, Intake, Turbo, Injectors, Cam, Bigger Intake etc.