After an agonising wait and a long transplant operation taking a few hours my 230 has woken up from the anaesthetic and she is fit and well. The transplant of a new e-diff was successful and she is once again alive and kicking. I've treated her to a tank full of V Power and she loved it.
In all she's had 2 sets of CV Joints, 2 full sets of Drive Shafts, new Wheel Bearings, a new Mechanical Diff, Gear Box out and replaced and finally a new e-Diff.
Glad I wasn't paying.