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The new V8 Power Unit for the BMW M3 - Engine Specifications

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The new V8 Power Unit for the BMW M3
High-speed engine
Formula1 foundry Engine block
Oil supply and Intake System
Dynamic Performance and Engine Management
Ion Flow Technology and Spark Plugs
Engine Specifications
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Specifications


M3 V8 Engine
s65b40_engine_front_view
Click here to go to the BMW M3 V8 Gallery
Fuel Otto RON 98 (95)
Max output 420 hp (309 kW)
@ RPM 8.300 min–1
Max torque 400 Nm
@ RPM 3900 min–1
Max Engine speed 8400 min–1
Stroke 75.2 mm
Bore 92.0 mm
Displacement 3.999 cm3
Distance between Cylinders 98 mm
Cylinder arrangement 8-cylinder V-engine
Valve plate diameter, intake 35.0 mm
Valve plate diameter, outlet 30.5 mm
Compression ratio 12.0
Fuel injection Intake pipe fuel injection
Fuel injection pressure 3-6 bar
Avg combustion chamber pressure 12.6 bar
Max combustion chamber pressure 100 bar
Engine weight to BMW standard 202 kg
Output per litre 105 hp/L
Power-to-weight ratio 0.65 kg/kW
Crankcase Aluminium
Valvetrain Adjustment Infinite camshaft adjustment and hydraulic valve clearance adjustment for intake and outlet (double VANOS)


 
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