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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 > O2 codes



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      04-13-2015, 11:33 AM   #1
Julian2485
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O2 codes

Anybody has a fix for these codes I heard it's not my O2 sensor going bad. I heard it means my O2 sensors are actually working. Someone please give more insight on these codes
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      04-13-2015, 01:48 PM   #2
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You have one that is dying.
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      04-13-2015, 01:56 PM   #3
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You have one that is dying.
Damn it lol thanks which side is bank 1 ?
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      04-13-2015, 01:57 PM   #4
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Quote:
Originally Posted by Julian2485 View Post
Damn it lol thanks which side is bank 1 ?
Unless you have a V6 , bank 1 is the first 3 cylinders (nearest the radiator).

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      04-13-2015, 01:59 PM   #5
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Quote:
Originally Posted by MDORPHN
Quote:
Originally Posted by Julian2485 View Post
Damn it lol thanks which side is bank 1 ?
Unless you have a V6 , bank 1 is the first 3 cylinders (nearest the radiator).

Neil
I meant which downpipes is for bank 1 driver side or passenger side lol
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      04-13-2015, 03:11 PM   #6
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When laying under the car with feet sticking out torwards the front of the car , bank one is left and bank 2 is right .
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      04-13-2015, 05:39 PM   #7
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Quote:
Originally Posted by JDuke335i
When laying under the car with feet sticking out torwards the front of the car , bank one is left and bank 2 is right .
Ok Thank you so it's the driver side precat sensor anyone know where to get one from for a good price ? Thanks in advance
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      04-14-2015, 06:53 AM   #8
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Quote:
Originally Posted by Julian2485
Quote:
Originally Posted by JDuke335i
When laying under the car with feet sticking out torwards the front of the car , bank one is left and bank 2 is right .
Ok Thank you so it's the driver side precat sensor anyone know where to get one from for a good price ? Thanks in advance
I got mine from bav auto .
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      04-14-2015, 07:16 AM   #9
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Quote:
Originally Posted by JDuke335i
Quote:
Originally Posted by Julian2485
Quote:
Originally Posted by JDuke335i
When laying under the car with feet sticking out torwards the front of the car , bank one is left and bank 2 is right .
Ok Thank you so it's the driver side precat sensor anyone know where to get one from for a good price ? Thanks in advance
I got mine from bav auto .
How much from bav auto and would you happen to have the part number thanks
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      04-14-2015, 10:13 AM   #10
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Mine was for a 2009 335i. 154$ just go there and enter your year and model . Then go to exhaust. U have original BMW and pen Bosch. I went with Bosch as they r a whole lot cheaper
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      04-14-2015, 11:17 AM   #11
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Quote:
Originally Posted by JDuke335i
Mine was for a 2009 335i. 154$ just go there and enter your year and model . Then go to exhaust. U have original BMW and pen Bosch. I went with Bosch as they r a whole lot cheaper
Ok thanks
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