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Old 01-17-2013, 05:09 AM   #13
SoloII///M
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Join Date: Mar 2005
Location: Columbia, MD
Posts: 388
My Ride: Many
Can you explain how the post-O2 sensor affects the tune please?
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John V
'03 330i ZHP - Stock-ish
'02 330Ci - Megasquirted, E85'd and tuned by PFTuning.com
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