Quote:
Originally Posted by TinCanSailor
Correct, my rod bearings had been done previously by the dealer under warranty and oil changes were done at an interval of approximately 7500 miles. I had just recently had an oil change performed before the bearings seized.
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Yep, this is clearly not a bearing material issue or an oil qty/type issue. I'm leaning towards machining defect on crank or rod journals. More likely rods, as if BMW knows about the root cause and it was *just* a crank problem that is actually a fairly easy fix vs replacing rods. (drop bottom of motor vs full engine pull).
Thoughts?