compression ratio BMW 745i 2003 E65 N62B44 Engine Workshop Manual

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N62 Engine
Technical Data

E En
ng
gi
in
ne
e
N N6
62
2B
B4
44
4


Design 8 Cylinder V

V Angle 90°

Displacement (cm3) 4,398

Bore/Stroke (mm) 92/82.7

Cylinder Gap (mm) 98

Main Crankshaft Bearing Diameter (mm) 70

Output (kW)
at speed (rpm) 325
6,100

Torque (Nm)
at Speed (RPM) 330
3,600

Cut-off speed (RPM) 6.500

Compression Ratio 10.0

Valves / Cylinders 4

Intake Valve Diameter (mm) 35

Exhaust Valve Diameter (mm) 29

Intake Valve Lift (mm) 0.3 – 9.85

Exhaust Valve Lift (mm) 9.7

Cams Open Period (º crankshaft) 282/254

Engine Weight (kg) 213

Fuel 91 Octane

Firing Order 1-5-4-8-6-3-7-2

Knock Sensor Yes

Variable Intake Manifold Yes

Digital Motor Electronics ME 9.2 with Valvetronic Control Unit

Complies with Exhaust Emission Regulations EU-3
EU-4
LEV
Engine Length (mm) 704

Fuel Consumption Saving Compared with the M62 14%