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Old 01-19-2013, 11:54 AM
ADN ADN is offline
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Location: USA
Join Date: Jan 2013
Posts: 3
Mein Auto: 2002 325i
Question 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.
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