Quote:
Originally Posted by WedgeSalad
Mains only really fail on 2010+ (or 2011 i cant remember) models because they changed the material of the main bearing that year. They moved away from lead based bearings, unfortunately they weren't as reliable.
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2013 e82 128i N52 rear main bearing failure, aluminum bearings on mains but rods were lead so I believe they had been replaced previously.
Around 80 000 kilometres when it happened, clearances were ridiculously tight around 0.0015”.