North American Motoring - Drivetrain JB+ VS NM power module for the N18?

North American Motoring (https://www.northamericanmotoring.com/forums/)

- Drivetrain (Cooper S) (https://www.northamericanmotoring.com/forums/drivetrain-cooper-s-191/)

- - Drivetrain JB+ VS NM power module for the N18? (https://www.northamericanmotoring.com/forums/drivetrain-cooper-s/319383-jb-vs-nm-power-module-for-the-n18.html)

Quote:

Originally Posted by Zachary Nguyen (Post 4463723)

was it conclusive that the FMIC fixed the 2C57 or did it come back at any point between the fmic install and changing to a tune instead? Getting the same issue

The larger intercooler didn't cause any issues, it problem was the NM power module. From what I understand, the JB+ and the NM make power by spoofing the MAF so that the DME thinks that it is at a higher altitude. I would recommend ditching the NM dongle and getting a flash tune.