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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 05-17-2008, 02:12 PM   #1
robertwroth
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Join Date: Jan 2007
Location: Carlsbad CA
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My Ride: e46 M3
O2 Sensor replacement - which is Bank 2?

I am getting a P0430 Code on the car and think I need to replace an O2 sensor... can anyone tell me which one is the sensor for Bank 2 (i.e the one closest to the transmission or the one further forward?) Also, in the engine bay - any tips on locating the right connector for plugging this in? The shop manual is a little light on info around this area


Thanks
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Old 06-03-2008, 12:29 PM   #2
sdbimmer
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Old 06-03-2008, 05:58 PM   #3
robertwroth
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Thanks!

Thanks - that helped a lot
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Old 06-03-2008, 06:00 PM   #4
sdbimmer
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no problem.
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Old 01-02-2009, 04:19 AM   #5
ricky_zapt
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hi, i've got same problem. the o2 sensor faulty came up on my scan result. and my car has problem with idle. up and down. do you have the same problem before replaced the sensors? thx
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Old 01-02-2009, 05:05 AM   #6
sdbimmer
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it did help...

yeah, my car was idling up and down a little bit. It wasn't too bad though. Also it felt like it was misfiring too. After replacing the bad O2 Sensor, all of that problem went away.

Hope that helps....
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