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      01-26-2009, 05:34 PM   #24
mpower03
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Drives: 08 z4 M Coupe
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Quote:
Originally Posted by Rom3n View Post
You would be suprised there is a noticeable difference between the two when it comes to performance. The ESS software will adapt to octane up to 100 on the fly. Im not sure if powerchips does a pre-set tune for 91 / 93 or if it is designed to adapt.
how come the ess software isn't on their website? is there a link or somtehing? what is the gains over stock and the price?
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