I talked to Andrew over the weekend and he's making good headway. I'm anxiously awaiting the results of his installation since I'll be doing the same to my 7 later this year.
gale
92 735i 5-spd, turbo project finally underway!
the plan with pics
http://www.bimmerboard.com/forums/posts/510555
part 1
http://www.bimmerboard.com/forums/posts/510563
will be interesting to follow that development. It is a E32 735, but same engine is used in the E34, so might help someone.