N55 | Berk Technology 4" Downpipes w/ DYNO
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03-31-2011, 09:26 PM
Drives: 2007 335i, 2015 M3
Join Date: Dec 2008
Nice gains. You can use the CAN Tool in autodelete mode as a DPFIX. One question though. Why were the stock DP runs done a day after the catless DP runs?
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