Most buyers historically valued the 2001-2003 facelift cars higher (updated headlights, gray gauges, navigation, side airbags, VANOS accumulator), but MY2000 is increasingly appreciated for its rarity, black gauges, and as the only pre-facelift year.
MY2000 pre-facelift vs 2001-2003 LCI desirability
BMW E39 M5 · value-and-market