Quote:
Originally Posted by Jbedford
So BMW changed the rod bearings sometime in 2011, but nobody can tell me if my car has the new or old bearings. I sent my last oil change to Blackstone, and there was 0 lead in the sample at just shy of 9,000 KM. There were traces of aluminium. Blackstone hypothesised that I am on the new bearings due to the lack of traces of lead. I just want to be sure so I can calculate the additional costs to get my bearings done prior to a supercharger.
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What is your production date? Mine was 7/19/2011 hopefully I have the new rod bearing.