I try (once warmed up properly) to redline once a day. My car has been tracked a fair amount and sees 4-season year round use in the Midwest. I'm on original RB's at 110k miles with no change in wear metals going back to 50k (08 so monitor with oil analysis). I don't burn oil. I'm also OCD with maintenance, good examples are out there, just look for service history and don't forget interviewing a private party owner can give a lot of insight into cars condition. Better than "get a PPI".
And 99% of m3post gasps!
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2008 E92 AW 6MT /// 120k orig rod bearings
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