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Old 09-19-2006, 09:40 PM   #16
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Join Date: Jan 1970
Location: Irvine, CA
Posts: 1,327
My Ride: 2001 Jet Black 330Ci
Originally Posted by 330cibimmer View Post
alright i gotta a ? i have a 330Ci coupe step tranny and also have like intake, full exhaust, headers should i run a s/c on mine, like 8 psi is fine rite? or is this dangerous for my tranny
The guys who busted their trannies tried pushing too much power through. If I recall correctly, they were running 6.5psi AND cams and/or headers. Your intake will get replaced by the S/C unit, and you could probably keep the headers, but you'd have to turn down the boost on the S/C. Up to about 310HP, the e46 automatic tranny has had no problems. Going beyond that, is where things get iffy.

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