Thread: Renntech Tune
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      01-29-2013, 05:28 PM   #2
BQTuning
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Drives: 2012 Z4 sDrive35i M Sport 6MT
Join Date: Nov 2010
Location: bq@bqtuning.com

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Quote:
Originally Posted by zayzay View Post
Has anyone tried the renntech tune for their 1m. they claim horsepower increase from 335 to 420?
420 is at the crank. So your looking at about 380+ Whp. Same tune I have on my IS.

There is another member with a 1M that is RENNtech tuned and another 1M with RB turbos that is also RENNtech tuned