Quote:
Originally Posted by KNS
When my BMW reached 240,000 miles it was time to replace the leaky oil pan gasket. I had been changing the oil every 5000 to 7500 miles and using either Castrol or Mobil 1 synthetic the whole time. The oil pan was remarkably clean.
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Same here on my volvo xc70. Mobil 1 synthetic every time. At 250k ish 260? I don't remember, pulled the pan.
Clean as a whistle. Top end clean too.
- one thing to add though. Mostly highway miles. Long run times, enough to burn off condensation. I think the synthetic and the highway miles helped.