BMW M3 GT2: Technical Data
- Stacy Morris
Weight: 1,150 kg
Tank capacity: 110 liters
Chassis/body: Unibody steel construction with welded safety cell made of rigid steel tubing; safety fuel tank in CRP sandwich tray; pneumatic four-stamp jack system
Aerodynamics: Front wings, rear apron, hood, roof, deck lid, rear wings and flared rear wheel arches made of carbon fiber
Transmission: Carbon fiber clutch operated by hydraulic central slave cylinder;
6-speed sequential racing transmission with straight-cut, unsynchronized gears;
additional oil/air cooler; quick shift system with ignition cut-out controlled by shifting force; mechanical limited slip differential with additional oil/air cooler
Front axle: Based on production version, with increased wheel caster angle, enlarged track width and enhanced wheel camber; five-way adjustable shock absorbers; tubular stabilizer bar
Rear axle: Based on production version, with enlarged track width and enhanced wheel camber; five-way adjustable shock absorbers, tubular stabilizer bar
Front brake system: Six-piston aluminum brake calipers, inner-vented grey-cast iron brake disks 380mm in diameter
Rear brake system: Four-piston aluminum brake calipers, grey-cast iron brake disk, 332mm in diameter
Steering: Rack and pinion steering with electro-hydraulic power
Wheels: Aluminum wheels, 18 inches
Engine type: Eight cylinder, V-configuration
Capacity: 3,999 ccm
Bore x stroke: 92 x 75.2 mm
Max. output: approx. 500 bhp
Max. torque: approx. 500 Nm
Cylinder block: Aluminum cylinder block construction with bed plate lower section
Crankshaft: Steel crankshaft
Pistons: Forged skirt pistons
Conrods: High-performance steel
Cylinder head: Aluminum DOHC (Double Over Head Camshaft); four valves per cylinder
Valve train: Four overhead chain-driven camshafts, valve actuation via rocker arms
Intake system: Eight throttle valves, intake system made of carbon fiber with load-charge optimized ram tubes
Exhaust system: Headers, silencer
Fuel system: Single cylinder multi-point injection
Lubrication: Dry sump lubrication
Cooling: Water/air cooler and oil/water heat exchanger
Engine management: BMW Motorsport ECU 408 with two high-performance micro-processors; Individual cylinder injection and ignition; Pit speed limiter; Quick Shift function; Engine data memory system
Energy management: Electric energy management and monitoring with BMW Motorsport POWER400 control unit, networking of all sensors and actuators through two bus systems
Wiring harness: Weight-optimized
Ignition coil: Eight high-performance pencil coils with integrated ignition drivers
Spark plugs: High-performance spark plugs
Cockpit: Free programmable LCD display with integrated shift indicators
Steering wheel: Quick release multi-function steering wheel with integrated display unit
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