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      09-26-2011, 01:06 PM   #2
tom @ eas
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Drives: BMW
Join Date: Nov 2005
Location: Anaheim, CA

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Garage List
2010 BMW M3  [5.00]
2015 BMW M4  [3.50]
Originally Posted by RaptorKTM View Post
I just ordered the full system, and am curious to know if pairing this exhaust with the ESS tune will override any codes, however when taking it into the dealer and shutting the tune off, more then likely a tune will arise, other then the obvious reasons, how will this affect bmw performing other services then more then likely they will not want to release a vehicle or wont be able to if it has a check engine light.
This would sound like its a question for ESS. I would suggest calling them and getting your answer directly from the source.

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