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      07-12-2019, 01:45 PM   #9
sledg77
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Drives: 2011 Z4 sDrive30i Supercharged
Join Date: Feb 2017
Location: Charlotte, NC

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My car drives as from factory in all conditions, with the exception of crisper shifts due to the xHP TCM tune and of course, much enhanced performance overall. I think that's the result of spending about 12 hours being dyno-tuned and tested over a couple days by a shop that really knows what they're doing. The car would not have been driveable by just bolting on the blower kit with the tune ESS provided.
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