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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > N54 29E0 and 29CD codes running lean



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      12-23-2024, 09:26 PM   #1
Zmatthews01
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Drives: 2007 BMW 335i
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Exclamation N54 29E0 and 29CD codes running lean

[ATTACH]undefined[/ATTACH]Hi guys new here trying to figure out why my car is pulling these codes, my car will run fine at idle but when I accelerate between 2-4k RPM it begins to misfire and go into limp mode. I have installed brand new DME, NGK iridium plugs, Bosch coils, Boost solenoids, vanos solenoids, walnut blasted the valves, new index 12 injectors installed by bmw and tested, new Stage 2 LPFP with regulator, new fuel sensors, new boost sensors, and new MAF. The car has an aftermarket DP, Evolution racewerks Charge pipe with Tial BOV as well.

I have a data log below which I have zero clue how to read but maybe someone else can see something I don’t?

https://datazap.me/u/zmatthews01/200...og=0&data=3-20

Last edited by Zmatthews01; 12-23-2024 at 09:30 PM.. Reason: Added Data log to files
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