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      01-31-2015, 05:18 PM   #97
BB_cuda
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Drives: 2011 335D Msport, 2013 X5D
Join Date: Nov 2011
Location: Clear Lake, Texas

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135i, How many miles on the oil itself? I poured out about 1/2" from catch can from 1000 miles driving but didn't observe any buildup in bottom. My oil has 3000 miles on it. I have been doing 3000 to 3500 miles between changes.
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