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      08-07-2010, 10:09 AM   #14
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Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

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Originally Posted by GBX View Post
So, at this point in time, is there no ecu tune that will pass emissions? No ones mentioned ess, aa or oe.
They will pass if you don't turn off rear O2. But you will need your primary cats in place. Otherwise you'll have a CEL and that is supposed to be a fail
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