BMW M4 Forged Spec (GT4)
The BMW M4 Forged Spec is a track-focused, heavily modified take on the G82-generation M4, built to deliver sharp GT-style performance with a more aggressive, personalized edge. It takes the M4’s turbocharged straight-six platform and turns it into a lightweight-feeling, high-grip sim machine with strong power and unmistakable BMW attitude.
Key Specs (BoP-dependent, typical sim values)
Powertrain: 3.0L twin-turbo inline-6 (BMW S58-derived) with race-tuned induction and forged performance spec upgrades
Total Output: ~550 hp
Redline: ~7,200–7,500 rpm
Transmission: 6-speed sequential racing gearbox
Weight: ~1,490 kg
Dimensions: ~4,794 mm long × 1,887 mm wide × 1,393 mm tall | Wheelbase 2,857 mm
Tires: GT-style slicks on lightweight forged wheels
Brakes: High-performance ventilated discs with multi-piston calipers
Layout: Front-engine, rear-wheel drive
In the Simulator Feel
The M4 Forged Spec is a muscular but approachable rear-drive GT car that blends turbo torque with enough chassis grip to stay composed at speed. It’s not as razor-edged as a purpose-built factory racer, but that’s part of the fun — the car feels loaded with mechanical grip, strong braking, and a planted rear end that lets you lean into exits with confidence once the tires are up to temperature.
Engine & Sound: The turbocharged S58-style straight-six delivers a deep, hard-edged growl with a pronounced turbo whoosh and a clean surge of midrange torque. It pulls strongly off slower corners and rewards short-shifting when traction is limited, while still carrying a satisfying top-end rush as it stretches through the gears.
Handling Characteristics:
Cornering: Stable and predictable on turn-in, with mild understeer if you enter too aggressively.
Traction: Strong rear grip under power, but it will step out if you get greedy with throttle on corner exit.
Braking: Solid stopping performance with good pedal feel and easy rotation on trail braking.
Top Speed: Respectable on longer straights, though it shines more in balanced technical sections than outright V-max runs.
Driving Style Tip: Drive it with smooth hands and a measured right foot. The M4 Forged Spec is happiest when you keep momentum up, use the torque to your advantage, and avoid abrupt weight transfers. It’s a strong fit for fast club circuits, sprint races, and any layout that rewards controlled aggression.
Livery & Aesthetics: Visually, the M4 Forged Spec has the aggressive modern BMW look that sim racers love — wide stance, sharp aero, bold grille treatment, and a purposeful race-prepped profile. The forged-spec styling gives it a more custom, built-not-bought feel, making it stand out on the grid without losing the familiar M-car identity.
Whether you’re chasing lap time or just want a powerful GT-style BMW with real personality, the BMW M4 Forged Spec delivers a confident, entertaining drive with plenty of turbocharged character.