I should qualify that I think changing engine oil regularly is a good thing. I just challenge the notion that doing it more frequently somehow results in reduced engine wear, compared to doing it at a higher mileage that is still well within the design guidelines for the engine and the oil.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue