Here is a UK CSI for sale on eBay, it claims to have an mot, but the dealer images make it look a little rusty to me. I don't know this car or seller.
http://www.ebay.co.uk/itm/1975-BMW-3-0-CSi-/330951584972?pt=Automobiles_UK&hash=item4d0e406ccc
Best wishes
C
http://www.ebay.co.uk/itm/1975-BMW-3-0-CSi-/330951584972?pt=Automobiles_UK&hash=item4d0e406ccc
Best wishes
C