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      04-21-2010, 12:16 PM   #110
dt_328xi
Private First Class
United_States
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177
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Drives: 2007 Jet Black 328xi
Join Date: Sep 2009
Location: Manchester NH

iTrader: (12)

Well the 328 is 230hp stock. With an intake and PBX you get to about ~240HP

The 330 is 255HP stock with PBX and a good intake probably at about 260-265HP.

So the 3 stage 330 intake manifold and the software upgrade will probably put you into the 255-260HP zone. so about 25-30 HP gain for about $2000

or PBX + intake = ~10HP for about $600