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			What failed in the old engine - and could that failure have left traces of oil in the original cooling system components?
 Might want to run for a bit more and see if it is really a problem or just residual oil from the work on the engine.
 
				__________________Wayne
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)   |