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Now, looking at the whole thing with fresh idea, this whole thing may be just the $7 OFH gasket.
It can leak down from the OFH gasket ---> along the L side of the engine (mimicking oil pan gasket leak) ---> rear of engine along the top of REAR portion of oil pan gasket ---> now it runs just BELOW the RMS but above the oil pan gasket (mimicking RMS leak) ---> to the RED arrows mentioned in the photo above ---> drips down onto the bottom bolt posted above. Please see photo for what I mean...
So, always fix the cheap and easiest first, which is the OFH Gasket.
Then wipe everything clean.
Some residual oil will trickle down in a few weeks. Again, wipe it clean.
Then monitor the bottom bolt for any more oil leak after a few weeks.
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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT
Last edited by cn90; 07-08-2019 at 06:30 PM.
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