One of my friends at the garage dismantled an Alfa Romeo 156 V6 for parts. At the same time I was looking out for an A/C condenser for my 240Z and luckily enough, the Alfa unit has the perfect fit and refrigerant connections at a convenient location. I used the beaten old unit for fitment and fabricated some fixing points for it. I found some nice rubber grommets with thread inserts on them to use in the fixing. I have no idea for which car they are for and what they where meant to fix in the first place as I found them from a box we have at the garage that has all kinds of rubber grommets, seals and plugs everybody has just thrown in over the years. Anyway, worked quite nicely for me.
After fixing the condenser in place, I was finally able to weld the lower radiator mounts on the rails and fabricate the upper mounts. The BMW Z3 M Coupe radiator sits nicely between BMW OEM rubber bushings.