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Old 10-08-2018, 12:12 AM
cn90 cn90 is offline
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Join Date: Jun 2014
Location: Omaha, NE
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Oil Leak Diagnosis please...

- 2004 X3 2.5i with 84K miles.
- Brand-new BMW OFH Gasket (did it last week).
- VCG new, a few months old done by P.O.: I looked around with mirror: upper engine near VCG is dry.
- Oil Level Sensor Gasket is new.
- Oil Pan Gasket seems dry around the edges.

- I suspect this is RMS leak but at 84K miles, it is a bit early.

- If this is RMS leak, I may try the "BavarianE39 CCV Mod", which increases the crankcase vacuum, and hopefully reducing the RMS leak...



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2006 E53 X5 3.0 6sp MT
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