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Old 04-30-2009, 06:46 AM   #12
E46Professional
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Join Date: Jan 2009
Location: Oz
Posts: 134
My Ride: E46
Yes a few of us have. I believe the 330 cabs have a lower ratio diff stock than the coupes/sedans. so you will probably have to go for an even lower diff ratio. I went from 2.93 to 3.38 and it was a good bang for your buck mod. Better than the exhaust and on par with the AFE CAI.
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