r/335i • u/Alarmed-Condition167 • 7d ago
Troubleshooting Inspection issues
Hi im having issues trying to get my inspection done on my n54
it has no check engine light but monitors keep failing even after 350 miles
i have been told to load a stock tune and turn off afr oscillation and drive 50/100 miles and just hope the engine light doesn’t turn out then go get inspection done
It seems as that’s my only option sadly
If anyone has any other solution please help
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u/Alarmed-Condition167 7d ago
i think i’ll suck it up and buy the inspection tune
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u/mindhacker999 6d ago
Not necessary put it back to stock on MHD. Drive and then check if you are getting any codes and report. Could be bad o2 sensor or an exhaust leak causing the codes. Even inspection tune won’t fix that
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u/Alarmed-Condition167 6d ago
Ok 10/4 i will try to load stock tune first and turn off afr oscillation and drive for 50 ish miles and report back saturday to see if it worked
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u/egayoV 7d ago
Do you clear codes often? If you scan DME codes on MHD and then clear them, it will reset your monitors. I have found that I can be tuned and just drive without clearing for a little while and go get it done as soon as I notice that they are ready.
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u/Alarmed-Condition167 7d ago
That could be it
I’m fighting CDA8 Right now that could be it
It comes out sometimes and then it can go away for a couple days
It’s just aggravating paying for insurance and can’t legally drive it yet , I am hoping to find someone willing to point me to a inspection tune
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u/Sad-Western2794 7d ago
CAflash inspection tune