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bobbyggx bobbyggx is offline
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Default 11-19-2017, 02:44 PM

I used the "all 50" from the other thread.

Anyhow I will do some runs with the suggested FFs (the ones from your post) and FUD/FUA = 0.

What would mean if I require CANbus on full time? The CAN wires are directly connected to the OBD connector with the JB4 connector and I am only attaching the laptop to the Data cable when I am logging, thus I am not sure what is the CANbus on full time (I thought it is usually always on?) and if I require it.

If FUD = 0 this means that the FF WG Adaptation would be active, thus this value would be incremented with every run, correct?

The thing I don't fully understand is the FF Adaptation, which when active is always moving up (never saw it going down), thus if I do the default settings for the DB (listed in the first post) the FF Adaptation would raise even during the first WOT which would again mess the WGDC/FF curves. I read that the FF Adapt is considered to be the global variable, thus it will increase the FF thru the whole range by its value (based on the formula) and then additionally add the DB rpms gain, or this is not correct.

In my latest two logs I have in the *_OK log (with disabled FF WG Adaptation) a good matching of the FF and WGDC curves (with small remark on 4k-5k range) and in the next log, where the FF WG Adaptation is ON the FF curve starts to get away from the WGDC (there the FF is 90) and at the end the FF WG Adaptation is 105m thus if I log the curves would be again away?

Last edited by bobbyggx; 11-19-2017 at 02:58 PM..
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Default 11-19-2017, 04:29 PM

The only settings that apply to F PWG ISO are those in this thread.

CANbus on full time was a setting for those cars that throw codes at low throttle when not logging, when JB4 CANbus is sleeping.

FF adapts the curve up and down as a function of weather and other minor changes over time. Sometimes it's helpful to disable it when dialing in dutybias but normally not required.

In the last logs you failed to enter the correct duty bias values, so they were useless to evaluate.


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cnm135i cnm135i is offline
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Default 11-19-2017, 08:43 PM

bobbyggx

Your car is an 535i F10 - right? In that case use FUD=2 to enable F10 compatability.


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Default 11-19-2017, 09:11 PM

Quote:
Originally Posted by cnm135i
bobbyggx

Your car is an 535i F10 - right? In that case use FUD=2 to enable F10 compatability.
It's FUD bit #1 to on for F10 BC button control.


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Default 11-19-2017, 11:04 PM

Quote:
Originally Posted by Terry @ BMS
It's FUD bit #1 to on for F10 BC button control.
I'll specify even further

bit0 - No
bit1 - Yes
bit2 - No
bit3 - No
bit4 - No
bit5 - No
bit6 - No
bit7 - No

- OR -

FUD=2
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Default 11-20-2017, 04:15 AM

I don't use dash control. I only enabled CANbus full time (bit5 => YES => Value 32).

The DB settings are now adjusted, I would do few runs later when the road is drier and report back.

EDIT:
Enclosed are new logs. 5th gear until 5k rpms (ran out of road ).

Settings as suggested from Terry for DB. FF Adaptations untouched; FUD = 32 (CANbus full type (Bit5 => YES)).
Attached Files
File Type: csv 5th_Until_5k.csv (8.7 KB, 13 views)
File Type: csv 4th_FULL.csv (3.5 KB, 16 views)
File Type: csv 4th_6k.csv (2.9 KB, 12 views)

Last edited by bobbyggx; 11-20-2017 at 06:31 AM..
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Default 11-20-2017, 10:18 AM

Quote:
Originally Posted by bobbyggx
I don't use dash control. I only enabled CANbus full time (bit5 => YES => Value 32).

The DB settings are now adjusted, I would do few runs later when the road is drier and report back.

EDIT:
Enclosed are new logs. 5th gear until 5k rpms (ran out of road ).

Settings as suggested from Terry for DB. FF Adaptations untouched; FUD = 32 (CANbus full type (Bit5 => YES)).
You also have some CANbus speed issues. Enable slow speed CANbus, bit#7. This is not uncommon on F10 models.


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bobbyggx bobbyggx is offline
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Default 11-20-2017, 11:06 AM

Okay, I will do that. Otherwise Look okay? Boost timing? Should I tweak anything else or?
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Default 11-20-2017, 12:03 PM

Fix CANbus speed next and relog.


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Default 11-20-2017, 12:05 PM

I am about to go do that.

I drove the car without having my laptop with me and I got Drive malfunction (error said Boost lower than expected) and the car was hesitating between 2,5k - 4,5k as the boost was not coming.

EDIT:

Here is a log on 5th gear (171120_2113) with Slow CAN (Bit7 = YES). Bit5+Bit7 = 160.
The other two logs are 1 full 4th and 1 3rd-5th.

P.S. Now the Gear and Ign are gone
Attached Files
File Type: csv 171120_2113.csv (7.2 KB, 13 views)
File Type: csv 3th-5th.csv (7.0 KB, 9 views)
File Type: csv 4th.csv (4.1 KB, 10 views)

Last edited by bobbyggx; 11-20-2017 at 01:24 PM..
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Default 11-22-2017, 02:39 PM

Comments?
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cnm135i cnm135i is offline
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Default 11-22-2017, 10:29 PM

Did you update your FW? Still says 16/7//1 in your logs...


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bobbyggx bobbyggx is offline
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Default 11-23-2017, 01:37 AM

Yes, I uploaded the FW you gave me. The gear and ignition logging are affected from thr FUD.
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Default 11-23-2017, 01:49 PM

Hey guys,

Today I ran into low HPFP which was resolved after the I turned off and then on the car. The interesting thing is that the CAN communication seems to get lost from time to time.

Please refer to the below log (5th) where you can see that my FUD is 0, everything is logged and I have a lot of logging points (around 50rpms or less between entry).

On the other side, log from the very same time (2minutes earlier) I have few big gaps (300+ rpms) in log LOGGING_GAPS.

I am attaching also FP_H_LOW log where I have good logging points but the FP_H is 2 => I have FF wires connected in my car. I am noticing the FUELEN parameter has some values from time to time. I read that it is usually connected to Port Injection which I don't have .

I started getting Drivetrain malfunction with error lower boost than expected 2-3 times per day without aggressive driving, normal city driving with average pulls from traffic lights.

I also remember, when I was adjusting the DB I got a big drop during acceleration and this was logged. In the log the RPMs from the time of the drop shows 0. Visible in 171119_1441-DROP log.

Any ideas? What should I look for?

P.S. I do feel from time to time that the car runs like a wave - let's say I start in 3rd gear and the car pulls up until 4k rpms then I can feel less power until 4.5k rpms and then it hits again. => I think this CAN communication issue might be the problem for this?
P.S.2 I am using the OBD connector provided with JB4.
Attached Files
File Type: csv 5th.csv (9.3 KB, 9 views)
File Type: csv FP_H_LOW.csv (9.5 KB, 6 views)
File Type: csv LOGGING_GAPS.csv (2.8 KB, 7 views)
File Type: csv 171119_1441-DROP.csv (4.6 KB, 8 views)

Last edited by bobbyggx; 11-23-2017 at 02:10 PM..
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bobbyggx bobbyggx is offline
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Default 11-23-2017, 02:44 PM

Car is 5er F10 2011.

128bit is for slow can bus (bit7). The interesting thing is that this canbus, based on the logs, is not always slow. Sometimes the car runs great and sometimes it accelerates in wave fashion, sometimes has big hesitation 2.5k-4.5k until the boost kicks in.

My car has new spark plugs (I installed the original Bosch). The old ones seemed to be in perfect shape. Didn't noticed any difference after changing them. Do you have FF wires attached in your car? If your car is stock (only JB4) can to share some of your logs to compare the values (can do that on PM).

By 6 cyl timing setting you mean the one in the attached screenshot? To set it to 40?

I am open to any suggestion and to any experiments with the final aim to get a smooth consistent running car.
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Default 11-23-2017, 07:05 PM

The N55 doesn't have a low fuel pressure sensor.


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cnm135i cnm135i is offline
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Default 11-24-2017, 01:17 AM

Terry

Some progressive meth love for the ISO platform?


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bobbyggx bobbyggx is offline
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Default 11-24-2017, 01:23 AM

Terry, what is then logged in FP_L? Any remarks, suggestion from your side regarding my latest logs?

EDIT:

Here is a new log, 4th gear with FUD 160 (Slow can + Can full time) and 6 cyl timing = 40 and unplugged MAF. Unfortunately again the logging points are not very detailed. Seems that when CAN options are activated the system stops logging 2-6 cyl timing + gear to make the data load lighter which assumably should result in better speed for the main parameters. @Terry, what could be the reason? Also the Firmware version which cn135i says is still the "old" one no matter that I uploaded the T3 hex?

Otherwise, the log seems to be good, FF/WGDC curves also follow each other. Very slight underboost after 5,3k rpms (I've adjusted the DB +2 from 5k onwards now). Seems that the Turbo is at 70% closed gate which should be considered okay, a bit on the higher side, but still not maxed out. Some overboost at the beginning but if I lower the DB settings at low RPMs it would make the daily normal driving a less responsive for WOT sake, thus I think should be fine if I leave it as is there.
Attached Files
File Type: csv 4th_.csv (2.9 KB, 8 views)

Last edited by bobbyggx; 11-24-2017 at 03:59 AM.. Reason: New log
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Default 11-24-2017, 10:17 AM

Quote:
Originally Posted by bobbyggx
Terry, what is then logged in FP_L? Any remarks, suggestion from your side regarding my latest logs?
ECU_PSI, only for the manifold sensor, currently. Nothing anyone would be concerned with. At some point I needed to look at it and stuck it there.

On the logging since it's slow speed CANbus we only see 1 cylinder, but timing seems to be rolling backwards in it. So this is likely as far as you want to push the tuning on your current octane level. Boost and fueling seem fine to me though.


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Default 11-24-2017, 11:31 AM

I assume so. I just drove 150km with cruise control set to 140km. Cruising at this speed I got 11 times Drivetrain Malfunction - assuming it is Lower than expected boost. Is there something that I can change/check. I am still with the MAF unplugged, if this could make a difference and FUD 160.

P.S. I don’t want to push it further, absolutely happy with the drive (when it runs fine, not waving or malfunctioning).
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Default 11-24-2017, 11:40 AM

Quote:
Originally Posted by cnm135i
Terry

Some progressive meth love for the ISO platform?
Actually I do have that ready for testing. Game? Drop me an email I'll shoot it over.


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Default 11-29-2017, 11:04 PM

Terry

4th gear boost limiter - can this be added? 4600rpm in 4th should equate to 66mph... The PSS's still have half thread left
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Default 11-30-2017, 05:56 PM

Ctrl-v...

Terry

I tested this a while back for ISO, but I didn't get a consistent offset on the map6 targets when meth was flowing. Has this feature been revised for F-series ISO? I would much prefer this to max out the turbo at high rpm


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Default 11-30-2017, 06:02 PM

Settings for the progressive meth ISO_8. Correct?
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Default 11-30-2017, 08:21 PM

Yes those are good starting points. Log that and lets verify its working right! Since you'll be the first one to test it other than myself.


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