Powertrain Performance Graph for BMW Z4 M Roadster -06 (252 kW)

BMW Z4 M Roadster -06 (252 kW)

"The powertrain performance valuation (power rate, torque rate) is the exchange rate between the claimed engine performance and the actual performance available to the wheels."

Powertrain Performance Graph (Dyno Graph, Dyno Run, Dyno Chart)

Rototest Dyno - BMW Z4 M Roadster -06 (252 kW)

Performance

	Powertrain performance
	Wheel power		236 (321 / 317)
		kW (PS / bhp)	236 (321 / 317)
		at 1/min	7905
	Total wheel torque / total reduction		344 (254)
		Nm (lb-ft)	344 (254)
		at 1/min	5101


	Stated engine performance
	Engine power		252 (343 / 338)
		kW (PS / bhp)	252 (343 / 338)
		at 1/min	7900
	Engine torque		365 (269)
		Nm (lb-ft)	365 (269)
		at 1/min	4900

General

Official test no.

STR-06052301

Model year

2006

Mileage, km

9042

Gearbox type

6-speed manual

Drive wheels

Rear

Engine

Cylinders / Valves

6 / 4

Displacement, cc

3246

Bore / Stroke, mm

87 / 91

Type / Configuration

SI NA / Inline

Location / Orientation

Front / Longitudinal

Compression ratio

11.5:1

Wheels / Fuel / Weights

Tyre dimension

255/40 R18

Curb weight, kg

1467

Weight dist front / rear, %

51 / 49

Performance

Powertrain performance

Wheel power

kW (PS / bhp) at 1/min

236 (321 / 317) at 7905

Total wheel torque / total reduction

Nm (lb-ft) at 1/min

344 (254) at 5101

Stated engine performance

Engine power

kW (PS / bhp) at 1/min

252 (343 / 338) at 7900

Engine torque

Nm (lb-ft) at 1/min

365 (269) at 4900

Discrepancy (measured/stated)

Power / Torque

-6.5% / -5.5%

Speedometer

Reading, km/h (mph)

at 50 (31)

+2 (+1)

at 70 (43)

+5 (+3)

at 90 (56)

+5 (+3)

at 110 (68)

+5 (+3)

at 130 (81)

+10 (+6)

DOWNLOAD CERTIFICATE OF PERFORMANCE
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	kW / Nm	Download
	PS / Nm	Download
	bhp / lb-ft	Download
	PS / kgm	Download
	hk / Nm	Download

ROTOTEST Chassis dyno
The test has been conducted using a ROTOTEST Chassis Dynamometer. The dynamometer is in reality a supreme engine dynamometer fitted to each drive wheel. The Rototest dyno is of hub-type design (in contrast to roller-type, or rolling road) and is being used by many of the auto manufacturers around the world in their research and development and quality assurance. [more...]