G-POWER Turns the BMW M4 Convertible Into a 700HP Monster | stupidDOPE | Est. 2008
G-POWER's G4M Bi-TURBO Cabrio upgrades the BMW M4 Competition xDrive Convertible to about 700 hp with extensive engine tuning and carbon aero/wheel upgrades.
BMW's M4 Competition Gets a 700HP Makeover by G-POWER | stupidDOPE | Est. 2008
G-POWER transformed the BMW M4 Competition Convertible into the G4M Bi-TURBO Cabrio, increasing output to 700 horsepower with performance and aerodynamic upgrades.
