Originally Posted by BADS335
As uniter stated, can't log. So I made a custom boost map using the same map I have been running. I cut the boost to 9psi at 5k+ and the KR went away. I was surprised. I have also logged 10psi without issues. Going to keep creeping up boost till it triggers again then back it down till it goes away. So I think I found the issue. This is odd to me but perhaps the boost or timing is too aggressive at that RPM. I will keep everyone posted.
how much timing were you to trying to target and what boost?
SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555
'10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
installing soon: Mfactory LSD, , powerflex subrframe bushings