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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 > 2C40 - code



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      07-08-2015, 05:15 PM   #1
Chitown335i
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Drives: 2007 Smoky Graphite 335i
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Location: Joliet, IL

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2C40 - code

I got this code today...."DME Internal error, Lambda Probe 2 evaluation component"

I also noticed that on my jb4 app....I have 2 gauges for my AFR's....one is responding the other is not (stays at 20)...

Im gonna assume an O2 sensor....but rear or front one....bc we basically have 4 right? i could be completely wrong lol....

But, that little bit to get a new O2 sensor has to wait....any problems if I drive it hard?
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07 335i...M2 exhaust...Macht Schnell DP's...VRSF 7" FMIC...MMP inlets....VRSF Chargpipe with HKS BOV....MHD w/WedgeTuning.... RB Stealths!!!....MFactory LSD...Stage 2 Fuel It...N20 map sensor....265/40/18 Sticky Mickeys in the rear
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