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      01-05-2013, 09:53 AM   #15
Lieutenant Colonel

Drives: F25 35i Mineral Silver/Black
Join Date: May 2008
Location: Virginia

Posts: 1,876
iTrader: (0)

When was the test done? One which vehicles? With which oils?

And how many of us honestly intend to keep driving this car that long before getting a newer one?

The above said, I did two "interim" oil changes on mine applying the "cheap insurance" concept in the early miles of the engine. After those, I'll just be sticking to the schedule.