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      04-30-2012, 09:54 PM   #129
mcp202
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Drives: Individual E92 M3
Join Date: Oct 2010
Location: FL

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Quote:
Originally Posted by Rekrul View Post
From what I understand and read from the more knowledgable individuals on this forum (tuners themselves). If those specs are exceeded it is an easy way to tell if you have a tune. Now if you have the options and dont exceed them same principle applies. However if you hit 8600 rpm due to the rev limit removed or exceed your top speed... then it will store in the ecu. Now I have also heard this applies to cold start removal and O2 readiness being set to ok even if you are cat less.

Makes sense. I was wondering about the O2 readiness light when you show up to the dealership with an Akra Evo and the light is off....