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      04-19-2012, 09:36 AM   #1218
RnmEvo9
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Drives: 2007 335i
Join Date: Apr 2011
Location: Pembroke Pines, FL

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Quote:
Originally Posted by MikeCOUPE View Post
Do I need my rear O2 sensors (post cast) connected? I installed downpipes and was wondering if I need the 02 sensors connected.
Why wouldn't you connect it? I have mine connected and its fine. Stage 2 and 2+ will take care of the o2 code anyways. I'll be spectating this Sunday at PBIR so I may catch you that day. I wanted to get a run in, but I'll just wait until next Wednesday. Good luck and have fun!
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