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Ceeker · 06-09-2012, 11:14 AM

you can use the eta bottom end and bolt on the I head and intake along with the ecu and engine harness. cooling system? engine internals are the same. Might need to change the rad and plumbing. reroute some hoses but aside from this it's only minor. get yourself a bentley service manual or go online and do a search for swap. if you are planning on boost later on. I would strongly suggest rebuilding the head, as the extra power is going to strain the factory components. new cam, heavy duty rockers, and valve springs. head studs instead of the factory bolts and a really good headgasket. that's for starters.

06-09-2012, 11:14 AM	#2
Ceeker Parts hoarding partner... Join Date: Nov 2007 Location: Toronto Posts: 3,040 Car: 325IS 87-325IC 89-IC	you can use the eta bottom end and bolt on the I head and intake along with the ecu and engine harness. cooling system? engine internals are the same. Might need to change the rad and plumbing. reroute some hoses but aside from this it's only minor. get yourself a bentley service manual or go online and do a search for swap. if you are planning on boost later on. I would strongly suggest rebuilding the head, as the extra power is going to strain the factory components. new cam, heavy duty rockers, and valve springs. head studs instead of the factory bolts and a really good headgasket. that's for starters. __________________ I think I've had 14 bmw's in 4 years. 2 IX's -sold and parts 2 325i 4 dr - sold 4 318is all white - sold and parts 1 87 325is red - parts 1 89 325i vert grey - parts 1 90 325is white - keepin 1 87 325i vert -red - keepin latest addition 1 88-325is red - parts latest addition 1 89-325i vert - white -fixin/sold latest addition 1 92-318i vert - blue - parts latest addition 1 87 325is blk - parts. latest addition as of 2013-Gold 87-325is auto! it's a keeper! Last edited by Ceeker; 06-09-2012 at 11:17 AM.