Quote:
Originally Posted by -c-
i plan on writing up a DIY when i get all needed parts, AKA the tune, i found the ecu tuner to pute either a SI stock BMW tune or tuned SI soft ware which should yeild 275hp from what they are stating so in terms of hp figures this would net me possably over 60 hp for under $1000
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I highly doubt you'll get 275 crank considering even the euro version only puts out 265hp.
Quote:
Originally Posted by Karaticus
Heck if you can pull this off, better get your second hand manifolds quick. I 'd want to do that to my wife's 328, and imagine there'd be plenty of others wnating to turn their 328s into 330s!
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As someone mentioned, this has already be done before on the e90. Check e90post for details.
http://www.e90post.com/forums/showthread.php?t=381371