I think they are definitely desirable, collectible and worth a good chunk of money.
If I was very wealthy and building a car collection (which I would), that red one would definitely find its way into my collection for 125 Large.
www.enthusiastauto.caNeed a car???
--'00 BMW ///M5 .:Jet BLK/BLK:. Individual-1 of 1 - Style 65 Wheels; 9.5" Square Set up;275 Tires;10mm/3mm Spacers; Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power; "Dinan" Ducts; E60 SSK; BC Coils
--'00 BMW ///M5 .:Avus Blue/Grey/Black:. 1 of 8
'88 BMW 635CSi Blue/Tan Sport
'81 MB 500 SEC Euro Koenig