Hi Ron,
Technically, that's not a true manual rack conversion but reusing the p/s rack after the p/s pump and belt, reservoir, hoses, p/s cooler has been removed.
This is a good mod. to lose weight if your p/s system leaks or is broken and you don't want to spend the money to repair it.
I don't have my weight loss chart handy but looking at my notes the p/s pump is 4.5 lbs by itself.
It'll be interesting to try a greased fill P/S rack via Karl's method.
Art's method is much simpler without taking the old p/s rack out (assuming the leak is not at the rack itself).
1. Remove all the old p/s attachments (pump, reservoir, hoses, etc.) to lose weight.
2. fill top rack hole where hoses used to go in with p/s fluid.
3. turn the wheel all the way to the left/right and let the excess fluid drip out.
4. plug holes. The BMW oil drain plug part# 11-13-742-994 fits this hole perfectly and is about $4-$5 each.