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      08-20-2012, 07:02 AM   #14
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Originally Posted by Andrew@ActiveAutowerke View Post
It is the same tune but on 91 oct the ecu will pull back a little.
so the tune can only accommodate a single octane? Eg 91 or 93 but not both.
so a Simon tool is needed in this case to have both octanes?

Thank you, im just a little confused, I haven't read all the posts on e90post