NefMoto > Technical > Tuning > Community Projects > Nefmoto community project: Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)
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Author Topic: Nefmoto community project: Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)  (Read 569117 times)
joemontanez89
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« Reply #495 on: May 16, 2015, 08:08:43 AM »
soo... ive been reading these forums for some time now... i have a 04 b6 1.8t 6spd. my question is if i were to flash this will it harm my car if i use 93 octane? if so where would be a good starting point at adapting this to my needs? thanks in advance!
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Jonamond
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« Reply #496 on: May 16, 2015, 08:27:34 AM »
I'm sometimes without a station with 94, so I'm stuck with 91 from time to time. The ecu does pull timing, I think it was around 6-8 deg. I don't know the maximum amount of timing the ecu can pull but I haven't had any issues so far...

I wouldn't think 93 would be an issue, you can log and see how much, if any timing pull there is and go from there
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316LV
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« Reply #497 on: May 16, 2015, 01:18:05 PM »
Quote from: Jonamond on May 16, 2015, 08:27:34 AM
...I don't know the maximum amount of timing the ecu can pull but I haven't had any issues so far...

Stock it can pull 12* IIRC. At least that is the max I've seen in logging. Kinda scary to see -12 CF across all cylinders. No bueno.

Way back I was dumb and flashed someone else's tune without checking the timing first. Must have been set up for WMI is all I can figure because it was terrible for my stock set up.
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ddillenger
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« Reply #498 on: May 16, 2015, 02:47:02 PM »
You can change that as well.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!

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joemontanez89
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« Reply #499 on: May 16, 2015, 05:45:21 PM »
sick! im gonna try to flash it tomorrow am and see whats up ill let you guys know!
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joemontanez89
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« Reply #500 on: May 16, 2015, 09:49:04 PM »
crap... so sad got a ch340 cable... got to wait till i can get to my buddies on tues now
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316LV
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« Reply #501 on: May 18, 2015, 12:22:20 PM »
Quote from: ddillenger on May 16, 2015, 02:47:02 PM
You can change that as well.

You are the man D! Did a bit of searching in the FR after I read your post... Sure enough there is a map for max retard- KRMXN. Mine varies from 11.25* to 12.75* up the rev range. I think that is stock, but not 100% sure. I've kinda lost track.
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sonique
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« Reply #502 on: May 26, 2015, 02:58:18 PM »
hello
this 018ak file compatible 018AS BEX 193hp ?
because 18as not any damos or other help Sad
crossflash working ? or hw diferent 2 engine ?
==============================================================================
ME7Check v1.12 (c) mki, 06/2004-05/2012
Checking file Audi A4 1.8T 8E0909518AS 0261208500 369011.org (size=1048576)
Reading Version Strings...
-> Bootrom Version = 06.02
-> EPK = 40/1/ME7.5/5/4016.32//24E/Dst03o/280703//
-> Contents of ECUID data table:
   - '0261208500'         (SSECUHN)         
   - '1037369011'         (SSECUSN)         
   - '8E0909518AS '       (VAG part number)
   - '0003'               (VAG sw number)   
   - '1.8L R4/5VT    '    (engine id)       
-> Contents of ECUID data table:
   - 'HW_MAN004'     

==============================================================================
ME7Check v1.12 (c) mki, 06/2004-05/2012
Checking file D:\8E0909518AK_368072.bin (size=1048576)
Reading Version Strings...
-> Bootrom Version = 06.02
-> EPK = 40/1/ME7.5/5/4012.31//24E/Dst03o/110403//
-> Contents of ECUID data table:
   - '0261208230'         (SSECUHN)         
   - '1037368072'         (SSECUSN)         
   - '8E0909518AK '       (VAG part number)
   - '0003'               (VAG sw number)   
   - '1.8L R4/5VT    '    (engine id)       
-> Contents of ECUID data table:
   - 'HW_MAN004

i think no problem crossflash but i asking safety Wink

sorry my english not very good
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overclockedpc
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« Reply #503 on: August 19, 2015, 11:11:31 PM »
So, is the general consensus here that this file would be ok to use with 91 octane? I'm in california and that's all we have available unless I hunt down gas stations with race gas, but then that's overkill and inconvenient.

Also, if my stock ECU is a revision 0004, would this file still work fine?

Sorry for the amateur questions, I'm a complete newbie when it comes to this. (Planning on getting a spare ECU for this stuff).
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B6_7093
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« Reply #504 on: August 23, 2015, 05:53:30 AM »
Hi guys can I flash it to a 8E0906019B (8884) ecu ?
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overclockedpc
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« Reply #505 on: August 24, 2015, 07:11:37 PM »
I've started doing some reading, but I wanted to ask some questions so that the following makes sense to me before I continue.  No long explanations needed, just help me get the concept and reasoning and I'll do further research on the subject on my own Smiley

1) What's the reason for dropping off boost so much as we get closer to redline? Couldn't we taper down only to about 10-11PSI?

2) Comparing LDRXNZK, I see stock and tuned values are the same - does this mean we're telling the ECU to revert to stock boost pressures if we get engine knock?

3) Looks like we haven't done anything to ignition timing maps in the tuned file -are changes not necessary for a stage 1 tune with stock ignition components?

4) Looking at LAMFA AFR (because I'm too lazy to look back and forth between that table posted and the LAMFA numbers), we're leaning out the mix closer to red line...is this why we've also reduced boost by 50% or so near redline? Couldn't we keep boost up and keep the mix closer to stock then leaning it out so much?

5) With KFMIRL, we're essentially adjusting how early and aggressively boost comes in, correct?

That's all for now, thank you!
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TLS
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« Reply #506 on: August 24, 2015, 07:58:20 PM »
I'm not meaning to be rude, but, read the whole thing twice before you get too excited.

1) See reply # 481 (previous page). The turbo compressor map is part of the answer, combined with injector duty cycle. This is Stage 1, remember.
2) Pretty much.
3) Which maps are you looking at? I thought there was some ign tweaking after the LAMFA and BTS were looked at and maybe around cam changeover.
4) I don't understand why you think the AFR is leaning. It goes from 14 down to 12.4 or 1 down to .84. (If you don't understand this, best not to flash your ECU. You are still too preoccupied with boost.)
5) No, I don't think that's the intent. You are describing the use of LDRXN, but KFMIRL can have side effects if you change it. Unfortunately there is a lot written about KFMIRL / KFMIOP on here that is either not right or right for the wrong reasons. I think the S4 wiki has some updated stuff on this. They are translators or conversion tables. We are mostly changing the resolution to make it have detail where we need it and to change the range if the new tune asks for parameters that are out of range on the initial tune. (You are still preoccupied with boost.)
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overclockedpc
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« Reply #507 on: August 24, 2015, 08:22:34 PM »
Thank you for your reply. I did see my errors after reading your post. I'm not obsessing over anything one way or another, I'm just extremely tired and got my AFR ratios reversed :-/ I'll definitely do some more reading after I get some rest.

Thank you for explaining things Smiley
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overclockedpc
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« Reply #508 on: August 24, 2015, 08:34:34 PM »
By the way,  I was talking about KFZW when I was said I didn't see ignition changes.
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TLS
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« Reply #509 on: August 24, 2015, 09:59:25 PM »
It'll take you a few months of study to get up to speed.

Have a look at post reply #180. There is some discussion of KFZW there. You need to re-jig the axis limits to reach extra load IIRC. Then there is some fine tuning.
I have not double checked the V7 bin vs Stock bin to see the difference in KFZW and KFZW2. You might like to do that when you have had a nap.

:-)
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