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Author Topic: KFMIRL Units  (Read 2783 times)
IWay
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« on: May 04, 2019, 10:35:07 AM »

Hello,

In the KFMIRL map the axis are RPM & throttle position, but what are the the actual load units that populate the KFMIRL map?

Thanks
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nyet
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« Reply #1 on: May 04, 2019, 01:26:03 PM »

You didn't bother reading any of this?

https://s4wiki.com/wiki/Load
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IWay
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« Reply #2 on: May 09, 2019, 04:21:24 AM »

What's been throwing me was that the LDRXN max is less than the KFMIRL max on a factory BAM map, after reading the below it's now clear that LDRXN only contributes to the rlmax which places an upper limit on the KFMIRL. "I think"


The map KFMIRL is used in the funktionsrahmen module MDFUE 8.50 with inputs of engine speed

and the target torque for the charge pathway, recalculated at lambda = 1 and zwopt (misopl1_w) to calculate

the target cylinder charge. Note that the higher values are greater than 191.0% in KFMIOP and greater than

the maximum of 185.3% in LDRXN for the BFV engine which places an upper limit on the KFMIRL output via

the variable rlmax. There is no difference between the BAM & BFV maps for calculating target charge.

KFMIRL should be used to tune part-throttle torque response
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nyet
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« Reply #3 on: May 09, 2019, 08:29:51 AM »

IMO you have it right, actually Smiley
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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