Originally Posted by Schnitzel
Since I have RB turbos: Is it possible that my ECU overshoots load target (because of my stiffer wastegates) and as a result the throttle closes? If yes, what can I do? ProTune?
Are you running the RB map? if not ask COBB for it.
If that doesn't fix your problem, contact PTF... They'll fix your issues, and you'll end up with more power
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