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ludo ludo is offline
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Join Date: Jan 2020
Car: E93 335i
Default Boost drop in high RPM - 08-12-2020, 08:15 AM

Hi guys !!
Iím experiencing boost drop when my target is at 27 psi or higher
Especially at 6000rpm
Any idea ?
Log attached


Setup :

FBO+ meth port injected+ MMP1K+ turbo smart diverted valve
Attached Files
File Type: csv P32_M6_R1_MMP1K_200812_093050.csv (19.4 KB, 16 views)
File Type: csv P32_M6_R1_MMP1K_200812_080718.csv (10.6 KB, 14 views)
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iminhell1 iminhell1 is offline
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Car: 2010 135i
Default 08-12-2020, 03:56 PM

tq tables and airflow model, look into them


2010 135i auto,
2020 mods: Speedtech S366, VTT DBBL, PR Coils, dual 450's, etc
Best stock turbo 1/8 mile: 7.469 @ 98.56, 1.769 60'
Best stock turbo 1/4 mile: 11.480 @ 121.79 1.802 60'
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ludo ludo is offline
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Posts: 17
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Car: E93 335i
Default 08-13-2020, 05:56 AM

Thanks for your help, will try this
As you can see, the duty is moving, trying to hold the pressure but it still lose pressure
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ludo ludo is offline
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Car: E93 335i
Default 08-13-2020, 07:09 AM

[QUOTE=iminhell1;672396]tq tables and airflow model, look into them[/QUOTE

Still same issue
Attached Files
File Type: csv P32_M6_R1_MMP1K_200813_100227.csv (18.0 KB, 26 views)
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Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
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Join Date: Apr 2014
Car: E92 335XI
Default 08-13-2020, 08:12 AM

FF is basically maxed & wgdc starts to creep up & nearly max as boost starts to fall.

Disable wastegate adaptation in FUD

Manually lower your FF from 149 to 70

relog


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