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      12-07-2011, 11:26 AM   #6
Henri_K
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Drives: Alpine White 2010 M3
Join Date: Jun 2011
Location: Michigan

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2010 BMW M3  [3.42]
+1

What about Dinan? Anyone has had any problems with the dealer/warranty situation?

Quote:
Originally Posted by houstonT View Post
If you do go with a tune via ESS and flash it back to stock when you take it to the dealer...can the dealer tell the ecu has been flashed?
Peter