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Re: e to i (archive)
[ Follow Ups ] [ 3-series (E30) Message Board ] [ Msg. Board FAQ ]
Posted by Steve on March 26, 2000 at 22:48:24:

In Reply to: e to i posted by nz on March 26, 2000 at 10:25:15:

: currently have a "e" engine (325/525..any difference?).
: would just bolting on an "i" head give me the power above 4000rpm.What other mods required.any and all advise appreciated.thanks.

If you're just adding the 'i' head you have to do a couple other things. You will lose compression by adding the head so you'll need different pistons. As for the exhaust, a very good modification is the upgrade to an 'i' exhaust manifold. I have one for sale if you're interested.

Steve
'87 325iS getting engine upgrade

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