A little too boost happy from 4500 to 6000rpm...

harkes · 06-08-2015, 01:00 AM

Hey

Yes - I know, send Terry an email or post on N54Tech - but living in China its a long time to wait until the experts wake up

So, as you can see my car is a little (A LOT) too boost happy from 4500 to 6000rpm. If I reset all User Adjustable to default and run FW 8_13 map5 I will very fast end up like below with a FF value of ~140.

Things I tried:

Running FW 8_8 and 8_10 which seems to over shoot less
Reducing PID from 12 to 7 - no result
Setting FUD=99 and all Duty Bias to 50, but FF is still auto-tuned which I don't understand - seems to help but timing is still being pulled because of the over boost
Changed my Boost Solenoid/Pressure Converter (it was becoming noisy) - no effect

I don't really see sticking to FW 8_10 as a solution - the newer FW gotta work. Any suggestions?

PS: Running meth on map6 ~50/50 by volume. Stock IC, 33°C (91°F) ambient

harkes · 06-08-2015, 01:04 AM

Here are some logs

Jera_Jakerz · 06-08-2015, 03:01 AM

Quote:

Originally Posted by harkes

Here are some logs

Confirm you are PWG? I could have sworn you were EWG...

harkes · 06-08-2015, 03:49 AM

Quote:

Originally Posted by Jera_Jakerz

Confirm you are PWG? I could have sworn you were EWG...

I am PWG!

mike@x-ph.com · 06-08-2015, 12:28 PM

I know waiting sucks but i would not change the Jb4 settings without asking Burger Tuning technical support.

Mike@N54Tuning.com · 06-08-2015, 01:59 PM

Quote:

Originally Posted by mike@x-ph.com

I know waiting sucks but i would not change the Jb4 settings without asking Burger Tuning technical support.

+1

Don't fiddle with things you fully don't understand!

Mike

harkes · 06-08-2015, 05:27 PM

In an earlier email from Terry he told me that getting boost perfectly on target is especially difficult with the integrated version, but that I could follow this guide and use Duty Bias to tune it in.

http://www.n54tech.com/forums/showthread.php?t=29893

It looks to be working, I would just like to see my timing advance increase towards redline.

As long as my AFR is good and my I_AVG is not above 5 - then I am pretty good - right?

06-08-2015, 01:00 AM	#1
harkes Colonel 1113 Rep 2,410 Posts Drives: M135i, E39 M5, NSX and AE86 Join Date: Apr 2014 Location: Xiamen, China iTrader: (0)	A little too boost happy from 4500 to 6000rpm... Hey Yes - I know, send Terry an email or post on N54Tech - but living in China its a long time to wait until the experts wake up So, as you can see my car is a little (A LOT) too boost happy from 4500 to 6000rpm. If I reset all User Adjustable to default and run FW 8_13 map5 I will very fast end up like below with a FF value of ~140. Things I tried: Running FW 8_8 and 8_10 which seems to over shoot less Reducing PID from 12 to 7 - no result Setting FUD=99 and all Duty Bias to 50, but FF is still auto-tuned which I don't understand - seems to help but timing is still being pulled because of the over boost Changed my Boost Solenoid/Pressure Converter (it was becoming noisy) - no effect I don't really see sticking to FW 8_10 as a solution - the newer FW gotta work. Any suggestions? PS: Running meth on map6 ~50/50 by volume. Stock IC, 33°C (91°F) ambient Attached Images __________________ M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom tuned by PureBoost (A Dane in China) Last edited by harkes; 06-08-2015 at 01:38 AM..
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06-08-2015, 12:28 PM	#5
mike@x-ph.com BimmerPost Supporting Vendor 26143 Rep 194,616 Posts Drives: 07-335/12-328/18-M4/21-M4CP Join Date: Sep 2013 Location: Las Vegas iTrader: (23)	I know waiting sucks but i would not change the Jb4 settings without asking Burger Tuning technical support. __________________ Check out our current sale by clicking on this link! https://x-ph.com/sale/ Phone number 702-494-9435
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06-08-2015, 05:27 PM	#7
harkes Colonel 1113 Rep 2,410 Posts Drives: M135i, E39 M5, NSX and AE86 Join Date: Apr 2014 Location: Xiamen, China iTrader: (0)	In an earlier email from Terry he told me that getting boost perfectly on target is especially difficult with the integrated version, but that I could follow this guide and use Duty Bias to tune it in. http://www.n54tech.com/forums/showthread.php?t=29893 It looks to be working, I would just like to see my timing advance increase towards redline. As long as my AFR is good and my I_AVG is not above 5 - then I am pretty good - right? __________________ M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom tuned by PureBoost (A Dane in China)
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