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Technical Data BMW Z4 M Coupé Motorsport Version

 

Length: 4415 mm

 

Width: 1880 mm

 

Wheelbase: 2493 mm

 

Front & Rear Overhang: 865 mm/774mm

 

Rear Wing Width: 1504 mm

 

Front & Rear Ground Clearance: 80 mm/90 mm

 

Front & Rear Tyres: Michelin 27/65-18, 28/71-18

 

Front Brake: Grey cast iron disc dia. 380 mm / 6 pot fixed calliper

 

Rear Brake: Grey cast iron disc dia. 320 mm / 4 pot fixed calliper

 

Drive Line: sequential 6-speed gearbox, sintered clutch

 

Engine Layout: six cylinder in line

 

Cylinder Capacity: 3246 cc

 

Bore x Stroke: 87 x 91 mm

 

Compression Ratio: 12,5:1

 

Max. Power: approx. 400 PS at 8200 rpm

 

Max. Torque: approx. 400 Nm at approx. 5750 rpm

 

Max. Revolutions per minute: 8400 rpm

 

Cylinder block: one-piece construction

 

Crankshaft: forged steel part

 

Piston: forged slipper skirt piston

 

Con-rod: Steel

 

Cylinder head: Aluminium, four valves per cylinder

 

Valve train: Two chain driven overhead camshafts with variable valve timing

 

Intake System: Six single throttle valves, Carbon fibre Air box with resonance induction optimised inlet pipes

 

Exhaust System: Multiple pipe manifold with silencer and catalytic converter

 

Lubricating System: Wet Sump Lubrication

 

Cooling System: Water / Air cooler

 

Flywheel: Steel

 

Fuel System: Inlet-Pipe Injection, one Injector per Cylinder, 5 bar injection pressure

 

Fuel: 5-star lead-free petrol, ROZ min=98

 

Fuel Tank Volume: 120 litres

 

Minimum Weight 1200 kg in Nürburgring Specification

 

Engine Management System BMW Motorsport ECU406 with two powerful microprocessors, Ethernet

 

Interface and four CAN busses; Cylinder selective optimized Injection and Ignition; Pit-Speed-Limiter; Quick

 

Shift; Engine Log Book; Electronic Throttle Control; VANOS Control; Race ABS; Traction Control.

 

Energy Management: Distribution and Control of the electric energy through the BMW Motorsport

 

POWER400 Control Unit; Networking of all Sensors and Actuators through a CAN Bus.

 

Electric loom: Weight optimised

 

Ignition coils: Six high performance pencil-type ignition coils with integrated ignition driver.

 

Sparkplugs: NGK high performance Sparkplugs

 

Instruments: Free programmable LCD Display with integrated shift lights

 

Steering-wheel: multiple function Steering-wheel with Quick-Release mechanism and display control

 

 

 

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Editado por Caním

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