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      10-15-2017, 03:20 PM   #31
JuniorB
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Drives: 07 e60 525 N54
Join Date: Mar 2016
Location: Rhode Island

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The belt is sucked in by the crank destroying the seal, in which oil pours out of it, The belt also gets caught in the gear and chain, other than that, it's leaking injectors that thins out the oil. If no one has updated injectors, it's a good idea to stay on top of oil samples. A $25 kit is a lot less that a $10k motor job.
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