Quote:
Originally Posted by Whipple
I think I seen a post awhile ago not sure it was him but his original rod bearings failed and BMW replaced the bearings for him under warranty ,Im sure they used the same crap that comes in there ,so he failed a second time but that engine seemed to be doomed from the beginning ,they make better aftermarket bearings for this engine I think King bearing is one of them
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So this indicates the root cause of the bearing failures is likely not the bearings, and more so not the oil... Did they replace the oil pump when they did the bearings? If not, I wonder if there is an internal casting issue causing restricted oil flow to the bearings? Or machining issues with the journals. Or crank isn't straight... Same block, failed bearings twice??? That is ridiculously suspicious.