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Author Topic: ME7 RS4 551K Load Issues  (Read 587 times)
OberlandRacing
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« on: August 29, 2025, 07:40:36 AM »

Hello, im running on my RS4 TTE550´s with 980ccm Bosch.
Since i have this car, im running in to Load issues. LDRXN was on 250% Load, so i was way above the Sensor Limit from 2.5 Bar.
Now i´ve installed the 980ccm and try to get the car runnig bevor i do the 5120hack.

Currently the Load looks like that:
Im Still running in the Sensor limit, should i limit LDRXN even more & raise KFLDHBN?
Looks like "Charge limit turbo protection" limits the Load (which is KFLDHBN)
Car runs like shit  Huh 

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RS4 B5 TTH550
eg4
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« Reply #1 on: August 29, 2025, 08:34:17 AM »

you request is above the map sensor limit, so the pid cant work. limit it to about ~1,4bar or do the 5120hack
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OberlandRacing
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« Reply #2 on: August 29, 2025, 09:23:18 AM »

So the Load was limited by KFLDHBN.
That´s fixed, now i just need to fix the Pid.

Whats the best option for that?
Wiki said, on WOT Pull it follows KFLIDMX. Im running 85% DC. so just limit the DC till actual Boost follows desired boost?
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RS4 B5 TTH550
JeanAwt
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« Reply #3 on: August 30, 2025, 10:50:42 PM »

yes you can reduce imx in overtaking zones
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A4 B5 1.8T ONLY
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