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      05-08-2012, 05:08 PM   #4
DanFromTucson
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Drives: Z4 M Coupe
Join Date: Aug 2011
Location: Austin, TX

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I should have asked, but I'm assuming you don't have a tune (at least not one that disables the CEL).

Did you just lengthen your post-cat O2 sensor wires to plug in behind the new cats?
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