Thread: N55 Lean Issues
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      10-17-2023, 01:18 PM   #15
SlowE92
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Drives: E92 2007 335i, E60 2008 535xi
Join Date: Sep 2023
Location: Salt Lake

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Quote:
Originally Posted by EnzoKhan View Post
That's definitely good to hear! How about the other codes? I was getting the 2D2F code, mixture control after catalytic too lean. So I replaced the upstream sensor, now it says the upstream sensor is fixed at rich (2d34 code), while the post o2 is still saying lean.

Here is a log: https://datazap.me/u/enayet/partial-...ta=11-14-15-19

Getting around 14.6 AFR at full throttle, and some timing corrections. Let me know your thoughts! Thanks!
I would also advise to refrain from doing WOT pulls in 3rd gear from 2k RPM, 3k RPM minimum or you're overworking the turbos.
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2007 E92 335i - MHD, Turbo Technics 19T's
2008 E60 535XI - JB4
2010 E92 335i - JB4, Borg Warner EFR 8374
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