got advice on using heavier oil (15W40 vs my 5W30), and I'm also wondering if it could be the gasket between the exchanger and the block? Apparently its rear block under intake manifold... there is oil all over the bottom of the starter back there and that's where its running from. Difficult/tight to inspect. If so I'd MUCH rather deal with valve cover or heat exchanger gasket.
Again, there is only oil coming from the Drivers side under intake and very back, where its very tight/difficult to inspect. Even wondering if I need a bore scope (ummmm Roy did tell me to get one a loooong time ago).

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"Well, once again, we find that clowns and anarchy don't mix..." - The Tick
'94 E320 ~ Wikel
'87 300SDL ~ Frieda
'87 190E ~ Thurmond III
'84 944 ~ Schrickelgruber
'86 535i ~ Joerg

So, car on ramps; I am lying on my back, doing stomach crunches to gain some altitude. Can I get to the sending unit?

The first step is to find it. Have you found it?

sending unit is above starter disconnect battery as you hit positive on starter with a wrench

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt