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      04-28-2010, 04:55 AM   #82
mixja
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Drives: 2011 E90 DCT Silverstone
Join Date: Jun 2008
Location: Beverly Hils, CA

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I must say the latest Powerchip tune combined with primary cat delete has turned the car into a monster - it is the fastest it has been - faster than previous Powerchip tune + Akrapovic exhaust.

Makes me wonder if removing the back pressure and flow restrictions caused by the primary cats fully unlocks the extra gains made by the VANOS remapping the Powerchip have applied in this latest tune...