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      05-14-2013, 12:53 PM   #1
dirtmaster666
"J" BONE
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Drives: 2007 335i
Join Date: Jan 2010
Location: edmonton

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O2 sensor question

First off I'm o. The mobile app do in unable to search at this time. So my issue is when I'm driving my car my bank 1 will intermittently lean right out and fuel trim will be 0 while bank 2 is fine. So I want to know which o2 sensors I need to buy for bank 1. On ecs tuning it tells me they have for rear left and right but does the rear deal with bank 1 or bank 2 any help would be great

Thanks
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