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      08-17-2008, 05:32 PM   #37
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Location: BMW M3 will get a V6TT

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2008 E92 M3  [0.00]
I have two friends both with E46 M3s and one brought and installed the Gruppe M intake. The sound is amazing but they found no noticeable improvement in performance between the two cars and it didn't offer any improvement in economy either.

Though for the noise it's arguably worth the outlay.