Home » RM NYC 2015 – 1959 BMW 507 Roadster Series II May Be Most-Valuable BMW with $3M Highball Estimate » RM NYC 2015 – 1955 Mercedes-Benz 300SL Sportabteilung Gullwing 12 RM NYC 2015 – 1955 Mercedes-Benz 300SL Sportabteilung Gullwing 12 Home » RM NYC 2015 – 1959 BMW 507 Roadster Series II May Be Most-Valuable BMW with $3M Highball Estimate » RM NYC 2015 – 1955 Mercedes-Benz 300SL Sportabteilung Gullwing 12