So there's a bit of value in a running vehicle then because I understand those blocks are no longer available? I guess there's More interest in saving a Range Rover than a 7-series.
I voted sell the 90 , as the bmw will finally become BER , so that will get you back to 2 cars , the 322 will more or less cover what the BMW could provide , and the 110 is much more useful family defender. My 530D became the engine for my 110