Posted this a s a reply to the original but thought I'd add it here to get more notice!
Thanks for the tip. Spot on! little cracks in the supply line opening to make a big hole when bent and about 10mm from the end.
Happy days. Passed a '98 2.5 this morning. Broke down - overheating - possibly something to do with the HT on the trailer it was towing.
OK i probably would have stopped anyway just to drool but I was able to help. That does make all the other XM's in the ring run a little sweeter.....does'nt it?
Anyway thanks again. Hope I can return the favour sometime. By the way the CX's are a Mk1 2.5IE and a Mk2 2.0RE Familiale with dropped liners and its donor which is a crashed 2.2RS awaiting engine removal.