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Old 01-17-2016, 03:53 AM
PCH BMW PCH BMW is offline
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Join Date: Jan 2010
Location: California
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Mitigation efforts

@cn90
Thank you for your response. Your concern regarding the source of the leak is spot on. I spent a good 2 hours over a few weeks to ID the leak because I didn't want to fix the wrong thing.

Sadly my leak is coming from the oil pan gasket at two bolts in the front driver's side corner. Clear view. I cleaned everything and laid under the car while it was running and watched it develop. Ugh I wish it was the oil filter housing OFH. Around 90k the OFH had a tiny leak so I replaced it and the Oil vapor system and a few other hard to reach items on the intake side of the engine. In fact I removed the intake manifold and also replaced all the rubber intake air parts, disa valve, and the power steering hoses. I went nuts because I didn't want to be in the area again for another 100k.

Back to the oil pan gasket. I'm still leaning toward a full gasket repair - no cut. But I have not read the cut procedure or determined how much time it saves. For example if the gasket cut procedure only took 2 hours versus 12, then the risk of failure would be 2 hours of time and cost of the gasket. That would be a very compelling short cut.

Any community thoughts on the time savings of the cut gasket procedure?

Mitigation efforts. FYI.
The oil pan has been leaking for almost 12 months
1st attempt to slow it down. Tightened 3 bolts at leak. 1/4 to 1/3 turn. Helped for a few months
2nd attempt. At oil change removed the 2 bolts at the leak site. Used plastic syringe to fill bolt holes with RTV. Insterted bolts and tightened. RTV spilled out of backside bolt anchor points and a 2 cm wide line at the outside of gasket. I thought I had a miracle on my hands. Worked well at first. 5 months later the leak is as bad as ever loser

Last edited by PCH BMW; 01-19-2016 at 01:18 PM. Reason: More details
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