Thread: ESS Tune
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      05-27-2012, 08:42 PM   #24
Thomas@GIAC
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Drives: Stage 3 B5 S4, C5 Z06
Join Date: May 2012
Location: CA

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Quote:
Originally Posted by RaptorKTM View Post
My concern is not the dealer, nor am I concerned on that issue. I just like having the ability to do it myself as most of the local dealers are not available to do this on a right now basis, so its nice to come home just put the battery tender on and let it work while you get things done then come back and its all done. More convenience then anything.

Also my other concern is always if BMW is to update the ECU on the car while in service, that would override the "GIAC" tune in this case and therefore would have to revisit the GIAC dealer correct?
Yes, if BMW updates the DME it will erase any aftermarket programming. In this instance, we offer a free re-flash at your nearest GIAC dealer.

Last edited by Thomas@GIAC; 06-01-2012 at 01:12 PM.