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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 > Service Engine Soon Light with P0155 code



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      03-22-2011, 03:30 PM   #1
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Service Engine Soon Light with P0155 code

I just had a service engine soon light come up on my 07 e92 328i, i scanned the car and it gave me this code P0155 and it said O2 sensor heat circuit malfunction (Bank 2 sensor 1).

Does anyone have an idea what it could be?

I have these mods:
-PBX
-Injen intake
-BMW Performance Exhaust


Thanks in advance
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08 E92 M3/Melbourne Red/6MT/Exec Pack/MDrive/EDC/PDC/19" 220M
Mods: VRS Front Lip, HID Angels, KW V3, Stoptech BBK, SS lines, 18" TE37SL, Bastuck Exhaust, MS Air Filter, OEM Aluminum Padels, LED Interior Light
07 E92 328i/Jet Black/Cream Beige Leather/Premium/Step/Heated Seats...check garage!
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      03-22-2011, 04:14 PM   #2
e90pilot
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PBX may cause it. Try turning it off completely and resetting the code. If it comes back, it's not the PBX.
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      03-22-2011, 05:47 PM   #3
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Quote:
Originally Posted by e90pilot View Post
PBX may cause it. Try turning it off completely and resetting the code. If it comes back, it's not the PBX.
Thanks! I'll try that and let you know
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08 E92 M3/Melbourne Red/6MT/Exec Pack/MDrive/EDC/PDC/19" 220M
Mods: VRS Front Lip, HID Angels, KW V3, Stoptech BBK, SS lines, 18" TE37SL, Bastuck Exhaust, MS Air Filter, OEM Aluminum Padels, LED Interior Light
07 E92 328i/Jet Black/Cream Beige Leather/Premium/Step/Heated Seats...check garage!
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      03-22-2011, 08:08 PM   #4
overkill1125
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Hope it's not too serious.
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      03-25-2011, 03:56 PM   #5
boogiee90
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2006 e90  [2.75]
check your o2 sensor
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      03-25-2011, 11:46 PM   #6
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Quote:
Originally Posted by overkill1125 View Post
Hope it's not too serious.
Thanks! I hope so too

Quote:
Originally Posted by boogiee90 View Post
check your o2 sensor
I still have to delete the code and see if it comes back again. Either way, i'm going to bring it to a mechanic. There is spots in the the engine bay and every time i turn on the heater, i smell something burning. Had this problem before the light came on but didn't realize the oil in the engine bay....i'll take a pic of it tomorrow!

And could the SES light be from the intake? I have injen intake and haven't cleaned it in about 2 years lol.

Twice I noticed my car shaking at a red light and looked at the rpm and it was at 0.5 for a second
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08 E92 M3/Melbourne Red/6MT/Exec Pack/MDrive/EDC/PDC/19" 220M
Mods: VRS Front Lip, HID Angels, KW V3, Stoptech BBK, SS lines, 18" TE37SL, Bastuck Exhaust, MS Air Filter, OEM Aluminum Padels, LED Interior Light
07 E92 328i/Jet Black/Cream Beige Leather/Premium/Step/Heated Seats...check garage!
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