Thanks for pointing me to this thread RYM, much appreciated!
Just noticed your Flo Flex and Power Flex links go to the same page
I think I shall be splashing the cash out on some FloFlex bush kits, not sure of the Polish made StrongFlex, although their diagrams seem to explain things clearer...
These should come in very handy while I overhaul the front and rear axles. Then to look for some exhaust hangers, pillow top mounts and rogue engineering rear mounts. Oh the joys of owning a BMW!