Quote:
Originally Posted by RagtagXMASTER
this is true, also consider steeping up the viscosity too. there have been many failed engines from bearing wear, not as bad as the S65/85, but still present when driving the car. I run 5w-40 liqui moly molygen currently, and am considering going to redline 5w-50 for the next change.
Mikerx5 is completely correct in saying the oil change interval on these cars is too long from factory, 3-4 is the real interval with 4k being high. the oil is significantly burnt by that point.
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Do i need liquid moly? Seriously.
I have never even heard of it until getting an M. I outlined the way it is driven above, and my indy said he uses what BMW does... what does it do?