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Old 03-12-2010, 08:06 PM   #17
smolck
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Join Date: Dec 2007
Location: Birmngham, AL
Posts: 1,059
My Ride: 2004 ZHP Sedan
Euro Tuner Mag got 6hp on their 99 M3 sedan project car with UUC pulleys. Not an E46, but I would wager the gains are similar. Most BMW people say "it isn't enough to notice" about most mods. But if you get them ALL (intake, software, pulleys, headers, exhaust, etc) then there is power to be had. Will it be as noticeable as forced induction, no. But the above mods all work together and will compound on top of each other.
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