Quote:
Originally Posted by Beemw1M
Is it easy to put the car back to stock when taking it in for a warranty issue and then re-tune it again afterwards?
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If you have a local GIAC dealer, they have one of the best software flashes available. Most if not all of the time attack N54 cars are on their software.
If you like to DIY, Cobb Access Port is the way to go.
Let us know if we can help.