Diff fluid and TC fluid should be good for 100,000 miles. Plugs as well as long as you're running good fuel and no additional additives. Cabin filter though depends on your geography. Oak and mountain cedar pollen shortens the life of any cabin filter here in Texas.

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2016 F15 x35i
2014 F32 428i


2004 E46 325i sold at 123,600 miles
2002 E53 3.0 sold at 388,801 miles
2001 E46 325i sold at 66,000 miles


1970 Firebird Under restoration