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RRI.SE / Powertrain Performance Graphs

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)
  Powertrain performance
  Wheel power 236 (321 / 317)
    kW (PS / bhp)
    at 1/min 7905
  Total wheel torque / total reduction 344 (254)
    Nm (lb-ft)
    at 1/min 5101
  Stated engine performance
  Engine power 252 (343 / 338)
    kW (PS / bhp)
    at 1/min 7900
  Engine torque 365 (269)
    Nm (lb-ft)
    at 1/min 4900

 Power rate
 Torque rate

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