I'm glad to see an M20 swapper using that COP setup. Looks like you're doing a great job using that big tranny as well.
I was just driving my m20 2002 last night and despite lack of tune, it puts a smile on my face. Its incredibly smooth and torquey, just what a 2002 needs.
I saw on your blog that your having issues with the edis wheel. I found a way to mount mine that did not require a lathe and still cleared my radiator. It ended up being perfectly balanced too. I used a very small wheel from a certain early 90's thunderbird. and welded mounting nuts to a shortned eta power steering pulley (lined up its concentricity by eye since the wheel and the pulley are nearly the same diameter). The sensor mount was tricky though because the mount had to reach pretty far to meet the small wheel.
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-Daniel
M20 swap blog:
http://www.bmw2002faq.com/component/option,com_forum/Itemid,57/page,viewtopic/t,277525/