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Old 02-15-2012, 03:01 PM   #14
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Join Date: Feb 2012
Location: Port Hueneme, CA
Posts: 64
My Ride: 2005 BMW 330 Cic
I thought you want to go from the bottom drain plug to check the oil for contamination (sludge, metal bits, etc.) at the plug to warn of other potential problems. I'm old school and remember learning this as a kid. Let me know what you all think...
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