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Old 02-02-2005, 02:26 PM
shizat63's Avatar
shizat63 shizat63 is offline
takes the long way home..
Location: NJ
 
Join Date: Feb 2002
Posts: 1,074
Mein Auto: 2016 M3
http://forum.e46fanatics.com/forumdisplay.php?forumid=4

They will tell you GruppeM for sound and ECIS for HP gain. But you will actually lose some HP.
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