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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > n55 PWG small boost leak?



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      07-16-2023, 01:03 AM   #1
tqylor
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Drives: e92 335i N55 M sport 6MT
Join Date: Jun 2021
Location: Texas

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I am hearing a very slight whistling noise under throttle from 2-3k rpms and kinda goes away when WOT past 3k rpms, heres my logs:

https://datazap.me/u/tqylorl/log-168...data=3-4-14-19
https://datazap.me/u/tqylorl/log-168...data=3-4-14-19
https://datazap.me/u/tqylorl/log-168...data=3-4-14-19
I'm also on MHD Stage 2, 93 OCT and FBO. My first logs have my WGDC climbing and they get quite high, does this portray a boost leak?

Last edited by tqylor; 07-16-2023 at 01:10 AM..
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