Quote:
Originally Posted by RobertRO
And I would add: what was wrong on your first rod bearings replacement (done by Bimmer Clinic, if I understood correctly) and how comes that the subsequent rod bearings replacement solved the problem?
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If I had to take a guess, since it's a BMW dealership/mechanic that's doing the work, they'll replace with OEM only.
The fact that the oil pump was also replaced seems to suggest something failed in the lubrication system leading to the failure of the bearings in the first place. If the oil pump isn't replaced, the knocking may continue. The initial spun bearing may have only been the symptom of another failure elsewhere.
Just a guess.