2011 E90 M3 Blackstone report at 73k
So ive had my m3 for 5 months now and put 3500 miles on the oil and wanted to get an idea of wear even though its a 2011 with the oem tin/aluminum rod bearings.
If im reading this correctly I noticed the 10w-60s viscosity is climbing towards the lower end of the ideal range which suggests that 5k oil intervals might be right..
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