2014 E63 tune
This is the tune that I bought (along with the Renntech sport mufflers--additional claimed gains of 15 bhp and 20 lbs-ft) for my incoming 2015 E63 S sedan.
AMS's claimed power gains from its tune is almost as high: 700 bhp and 830 lbs-ft.
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I certainly will put up a clip after that. But there is a great clip of what it sounds like on Renntech's website.
If you want to stick with us let me know, we have massive discounts for previous customers.











