E46Fanatics - View Single Post - Max boost for tm15 for 330ci?
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Old 09-12-2008, 05:58 PM   #5
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Join Date: Apr 2004
Location: Rhode Island
Posts: 2,375
My Ride: 330i S'chgd ZHP
I believe the internals are not much good after 400 chp. At 14.7 psi you will be well over that (and then kaboom). Do a dyno (on a mustang) and see if the boost keeps rising then you will know how high you can go.
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