Thread: BMW performance ECU upgrade? Worth it?
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      05-20-2011, 10:14 AM   #7
tonypap
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Drives: 2012 X6 5.0 w/ESS Tune
Join Date: Apr 2011
Location: New Jersey

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Quote:
Originally Posted by Mb23 View Post
Does anyone know if this is dealer installed???
Yes. Dealer installed. I think I'm gonna have it done first week of June.
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