997.1 Turbo
The BMW M4 GT4 G82 features twin-turbocharged S58 3.0-liter inline-six producing up to 530 horsepower with adjustable power settings from 450-560 PS depending on Balance of Performance regulations, delivering 550 Nm torque through seven-speed ZF 8HP76Z automatic transmission with motorsport software and paddle shifting, and rear-wheel-drive with Drexler mechanical limited-slip differential at approximately 1,500kg including extensive carbon fiber construction. GT4 specification includes KW Motorsport adjustable dampers with five-way anti-roll bars, AP Racing brake package with six-piston 390mm front and four-piston 355mm rear discs, M-track cockpit with integrated performance adjustment controls, and comprehensive aero package including splitter, diffuser, and rear wing.
M4 GT4 G82 represents latest evolution of customer racing platform based on current-generation G82 M4 production chassis, competing in GT4 category worldwide including SRO GT4 European Series, British GT Championship, and IMSA Michelin Pilot Challenge with Balance of Performance methodology equalizing performance across manufacturer entries through power and weight adjustments. The S58 turbocharged architecture provides broad torque curve facilitating driver accessibility compared to naturally-aspirated predecessors, while ZF eight-speed automatic transmission offers faster shift speeds than manual alternatives with reduced driver workload during wheel-to-wheel racing, establishing turnkey competition package for privateer teams and gentleman drivers seeking professional-grade equipment with factory technical support and comprehensive spares availability.