I've had this small coolant leak for about 2 months now. I thought it was from the trans cooler seals but both of those are new and I just replaced them again anyway. But still leaking..
I'm thinking it's leaking from the radiator mounting plate. Does coolant actually flow through this piece? And how does it seal? I didn't see where I could buy replacement seals for it. It's PN 17111438819.

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2000 e39 M5 Titanium on Black
2006 e53 M54 Titanium on Black
2007 e83 Black on Black Sport pkg
2004 Avalanche 2500 lifted 4.88 gears
1994 jacked up Jeep
1987 GMC lifted short bed on tons