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      07-11-2014, 03:47 AM   #1
harkes
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M135i performance gauge

Hi

Can anyone confirm whether the performance meter/gauge showing kW and Nm is all theoretical or actually measured via a torque sensor - eg. on the gearbox? I believe the gearbox has an overload protection so something should be measuring input torque...

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      07-11-2014, 05:14 AM   #2
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If its the SPORT display onPro Nav screen you are referring to I believe these are a graphical representation based in throttle position as opposed to feeds coming from engine and g/box measurement sensors.
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      07-11-2014, 05:26 AM   #3
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I don't think that power/torque is measured, all the figures are calculated by ECU (probably preloaded curves for power/torque vs throttle position). But these are just my suppositions.
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      07-11-2014, 06:44 AM   #4
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I am pretty sure it is only software estimating the performance.
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      07-11-2014, 08:05 AM   #5
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I doubt the sensors are that good they physically measure these outputs.
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