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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Need your opinion please !!!!!!!



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      09-16-2015, 10:48 AM   #1
laurentProd
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Need your opinion please !!!!!!!

Hi everyone,

Please I need your opinion on this :




and the corresponding faults :







for the record, 2 years ago I changed the injectors with brand new one (latest model) that solve the misfire issues I got.
Then I changed the coils, and the 2 lambda probes I have (4 cyl. engine)



Any idea??


the probe 2 is in the red... mixture is too rich ??
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      09-16-2015, 11:27 AM   #2
laurentProd
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BTW,

in june 2012 I have changed 2 front lambda probes AND the NOx sensor with the latest available which is the same as shown on the realoem website.

NOX sensor is again shown as short circuited... is it really possible ?
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      09-16-2015, 11:48 AM   #3
laurentProd
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and do you know what is bank 1 and bank 2???


http://www.realoem.com/bmw/enUS/show...diagId=18_0720



I have changed part 1 / 2 and 5
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