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ADN 01-19-2013 11:54 AM

O2 Sensor BMW 325i 2002 issue. Help?
I had auto zone run a diagnostic and I got the code P0135 and I need Bank 1 Sensor 1. It's my first BMW and I realize there are two oxygen sensors for this code. I'm hoping someone has a diagram or simple tutorial on their location. Having 2 O2 sensors is new to me. Thanks a bunch. :thumbup:

BMRfanatic 01-19-2013 11:56 AM

Wrong forum you need the e46 section

but hopefully this helps...

bank 1 sensor 1 is the the sensor closet to the front of the car that can be seen when looking at the headers

bank 1 = first 3 cylinders

closest one is the sensor that whats being read.

but if you do one just do all to get them out the way

ADN 01-19-2013 12:03 PM

Thanks you're a life saver.

ADN 01-19-2013 12:05 PM

So is the front one alone pretty difficult?

BMRfanatic 01-19-2013 12:15 PM

No prob.

Nah changing the o2 is a pretty easy striaght forward job

that link i posted should be all you need

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