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BMW 3-Series (E90 E92) Forum
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Relocated post cat o2 sensor?
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10-18-2023, 11:19 AM | #1 |
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Drives: 07 335i e93 6MT
Join Date: May 2013
Location: Chicago
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Relocated post cat o2 sensor?
Hey guys so I have a situation. So I have a 07 335i e93, recently got an o2 sensor code for post cat. Bought the o2 sensors to replace but looks like whoever worked on this the last time relocated one of the o2 sensors from 4-6 cyl to 1-3 cyl (the pipe where o2 is easiest to get to - I think that's for cyl 1-3) a little more down the exhaust. So I have 2 o2 sensors connected on cyl 1-3. They plugged the original with a bolt or something. Anyone know why someone would do this? As mentioned, everything was working fine until recently with check engine and 2073 code. Hope this makes sense.
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07 BMW 335i E93 6MT (Praying neighborhood doesn't get flooded...again) 04 Infiniti G35 Coupe 6MT (Flooded) 08 Audi TT 2.0T DSG (Flooded) 03 Subaru WRX 5MT (Flooded) |
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