Red beats black.
4.6 beats 4.8
45,000 beats 100,000
Both are old, so it's a wash there
Dinan and performance mods are a deal breaker, good indication of abuse.
Therefor, 4.8 IMO

__________________
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