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      08-26-2009, 09:47 PM   #17
sales@ESSTuning
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Drives: ESS M3 / M4
Join Date: May 2007
Location: AZ

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Quote:
Originally Posted by DerekMD07 View Post
Are you implying that there's no need to flash back to stock before taking car in for routine annual tune-up? I am afraid that dealer runs routine check on ECU during tune-up will pick up aftermarket software. In short, for peace of mind, do you recommend flashing back to stock before any dealer work?

Thanks
We have always designed our software to be undetectable by dealers. We have lots of customers that take their cars in on a regular basis for service with our software installed all over the world and dont have issues. But that being said anytime you modify your car you run a small risk when dealing with dealers and warranty issues. The only way to be 100% safe is to not modify your car at all.
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