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      01-22-2013, 09:27 AM   #5
pbonsalb
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Drives: 08 E90 M3, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: Concord, NH

Posts: 1,670
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Eurotuner dynotested the AFE and GruppeM. The AFE showed no gains. The GruppeM showed 10 rwhp. You can find the articles online.
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