Yeah, I just re-read some of this and the OP already has a cooling system pressure tester, I thought it was ordered but must have been a different thread, so should be using that to verify the head gasket or crack instead of trying everything to pretend that it isn't. Also confusing is that INPA is talked about and screen shot is ICarly or something ?? Anyway, OP let the car sit overnight with pressure on the cooling system and plugs out then crank in the morning and watch if coolant comes out of one of the spark plug holes.

Side note-- Any time you swap around parts looking for a misfire, especially when the DME has cut fuel, you should at least clear the codes to get the DME to retry the cylinder you are looking at or it might stay shut down and totally confuse the situation.

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1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)