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Old 05-30-2012, 05:04 AM
Bob530iPA Bob530iPA is offline
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Location: Philadelphia, PA
 
Join Date: Jul 2011
Posts: 37
Mein Auto: 2002 530i
I had my car in BimmerWorks yesterday and talked to the owner a good bit, mostly about my transmission. I also talked to him about oil leaks because his tech reported oil dripping between the engine and tranny. The service advisor said it was likely a rear main seal leak. The owner told me he has never seen a leak on the main seal on an M54 engine. He also told me that the only legitimate oil pan gasket leaks he has seen have been when people have worked on the oil pan. That lip between the oil pan and engine keeps a lot of oil from leaks higher on the engine. The most likely culprit is you oil filter housing gasket, which by 130k miles has completely shrunk into the groove leaving that as a metal on metal connection.
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