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