Thanks David, no pinpointed leak spot that I can see, I don't have access to a mirror but from everything that I can see it looks like it is coming out of the back left hand side of the engine and running down the heat shielding as I can see it green on the underside of the belly pan in that back left quadrant. I will order a new URO collapsable pipe if that is the general consensus and hope that it isn't a head gasket.

Although I don't seem to be getting any coolant leaking into the oil just externally

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2004 E53 4.4L N62