2004 would see the end of the SR2 class in the USRRC as well as the cancellation of the FIA Sportscar Championship, leaving the American Le Mans Series and new Le Mans Endurance Series as the only area of competition for the B2K/40. Miracle Motorsports, Intersport Racing, Marshall Cooke Race Car Company, and Van der Steur Racing would all regularly compete in the ALMS season, joined by Rand Racing for the 12 Hours of Sebring. B2K/40s would win eight races in the LMP2 class, with six for Intersport and three for Miracle, although it would be Miracle Motorsports who would win the championship, aided by their second car, a Courage C65. Tracsport would be the only competitor in the Le Mans Endurance Series, scoring a best finish of third in class and taking third in the championship. Intersport Racing would also go to the 24 Hours of Le Mans and successfully take the class victory, again one of only two LMP2 class competitors to finish.