BMW 2004 Z4 Roadster 2.5i Manual Do Proprietário

100

Z4 2.5i

Z4 3.0i

Displacement
Number of cylinders

cu in/cm

µ

152.1/2,494

6

181.7/2,979

6

Maximum power output 
at engine speed

hp/kW

rpm

184/141

6,000

225/170

5,900

Maximum torque 
at engine speed

lb ft/Nm

rpm

181/245

3,500

221/300

3,500

Compression ratio

ε

10.5

10.2

Stroke
Bore

in/mm
in/mm

2.95/75
3.31/84

3.53/89.6

3.31/84

Fuel-injection system

Digital electronic engine-management system DME

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