S55 jerking 2-3k

M2-Coutas

New Member
Mar 23, 2021
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Hello,
Since I installed midpipe in my M2C, opf remove. Have this problem, only in lower rpm, from 2-3,5k rpm, after that it goes fine, this is a 6 gear full throttle. Car have MHD with Gts map, I allready tested CS map and stage 0, with stage 0 it makes a lot less but makes 3 spikes like this.

In log the spikes are boost, throttle, wgdc% this one comes from 100% to 0%.
Before I changed the midpipe never notice this like now.
IMG_6785.jpeg