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      08-30-2006, 04:42 PM   #22
Joe Bimmer

Drives: Alpine White 2015 X5 x35i
Join Date: May 2006
Location: Austin, TX

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2006 325i  [0.00]
Originally Posted by RichP
People here are talking about forced induction, and you guys are worried about tranny stress? Not nearly enough to make a difference.

Im curious if the 328 is either :
a tuned up 325 (single stage manifold) or
a tuned down 330 (3 stage manifold)

This is still for sale. If you have a 325, and really want some more power, this the only way to fly. ECU is about 900, so you are talking $1500 total, which is pretty cheap for BMW horsepower.
I believe the 328 is a detuned version of the X3 si. Also, tranny stress wouldn't be a factor with the Steptronic. I'm guessing that BMW is probably a bit brighter than to allow a 330i intake manifold + random 330i ECU to magically work on any given 325i. It would be sweet though...