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      09-09-2011, 12:19 PM   #45
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Drives: 2011 335i 6MT Performance
Join Date: Oct 2008
Location: Santa Monica

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Originally Posted by mike-y View Post
No, I think he means they can see evidence that you had a piggy-back tune installed, even if you removed it before bringing it in for service.
+1, he was talking about the dealer being able to "read" your car's ECU
'11 E90 335i M-Sport 6MT Performance Edition
BMW Performance Exhaust

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