745i build

Discussion pertaining to positive pressure E28s.
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jjdickm
Posts: 6
Joined: May 05, 2006 11:40 AM
Location: tempe

745i build

Post by jjdickm »

I am rebuilding a 1987 745 engine up and going through replacing all the seals and so everything. Now I ran across a water inlet on the back of the head. I don't have something like that on my e34 m30. Is this only for the turbo head to keep it cool. also wanted to know if water flows into it or out of it and where I should be putting a hose for it.
Boru
Posts: 1028
Joined: Jul 04, 2008 10:09 AM

Post by Boru »

The E34 has a block-off plate over that port. On the earlier cars there is a pipe that extends toward the driver's side and feeds the heater core.
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