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      03-21-2013, 11:02 AM   #10
sales@ESSTuning
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Drives: ESS M3 / M4
Join Date: May 2007
Location: AZ

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Quote:
Originally Posted by tikamak View Post
I was informed by AJ that the z4m ecu has to be shipped to arizona and eflash will not work for z4m sc tune since the ecu will require an operating system change.

Is this correct eas ??
Correct, the ECU does need to come to us for tuning.
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