Non so quanto sia affidabile la fonte, ma: http://en.wikipedia.org/wiki/BMW_M_Coupe Production figures Due to the unique styling of the M Coupe, dealer sales were slow, and dealerships sidestepped the M Coupe to sell the more practical and more profitable M3 models to performance enthusiasts. As a result of their relative rarity, M Coupes retain more of their value than any other BMW since the E30 M3. European left hand drive S50 engine: 2,178 built from 04/98 through 06/2000 European right hand drive S50 engine: 821 built from 08/98 through 06/2000 North America S52 engine: 2,180 built from 07/98 through 06/2000 European left hand drive S54 engine: 281 built from 02/2001 through 05/2002 European right hand drive S54 engine: 168 built from 02/2001 through 05/2002 North America S54 engine: 690 built from 02/2001 through 05/2002