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      10-15-2012, 06:14 PM   #8
truths2k05
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Drives: 11 M3 6 SPD, 12 135i PPK DCT
Join Date: Nov 2010
Location: Palm Trees And Sun

Posts: 184
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I had mine upgraded to the latest software as well. The difference you feel is the added hp and torque of the latest 2013+ software. Not the k&n filter or exhaust.
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