JB4tech.com - International Turbo Tuning Discussion
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joebarteam74 joebarteam74 is offline
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Car: M140i
Default custom Map TTE580 + map6 JB4 - 09-11-2021, 10:58 PM

Hello,

I have a turbo Hybrid the TTE580 and a Map customize by pureboost in germany.

I am not far from 580 ch but sometimes on the gear ratio of 5 and 6 em I have overboost I exceed 30psi.

my question:

can you use JB4 with the MAP 6 to regulate the boost to 28 psi for example?

Are there any parameters to indicate and how to use it when you have a custom map on MHD.

thank you for your support

joel
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joebarteam74 joebarteam74 is offline
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Posts: 18
Join Date: Aug 2020
Car: M140i
Default MHD custom tune + JB4 MAP 6 control boost - 09-19-2021, 01:43 AM

Hello

so i'm surprised no one answers the question?

I will carry out tests to confirm the settings soon and will send you LOGs.

now if someone is able to advise me on adjustments in order to maintain a correct boost as a reminder, my pump drops in pressure from 30 psi + the overboost cutoff which must be operated by the bosh computer ..

and I still wonder what is fuel bias and duty bias in the parameters of map 6?
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