BMW Z4 Roadster 2.5i 2004 - Manual (Page 102)

Technical data
100
Technical data
Engine data
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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