TunerPro User Forum

Evil

As long as a software was made for the same DME it should work (my 403 DME worked with either 950 and 541 softwares)

Evil

Very interesting, it will be a nice feature on our olds motronics.
Ready to try it on my 404 when we'll have more infos

Evil

Looks like this D9 is somekind of injection/ignition event counter or something like it. D9 starts from 0 and it counts to 255 in about 30 seconds@1000rpm and in 10 seconds @ 3000rpm... Doesn't roll over. It stays on 255 when it reaches it. You may be right, on some others versions of Motronic ther...

Evil

Good to see I did no mistake

Thanks for the RPM switch, I found it in 404dme too.

Evil

I think I found the same in a 413/623 bin: Individual cylinder correction at 0xD0FA ? There is 8 values at 128, but maybe just 6 are used? Cranking fuel enrichement at 0xDB93, a 5x1 table with ECT as descriptor, very close of cranking fuel table, scaling and datas are coherent with what I have in th...

Evil

Hi all, recently swapped my E36 with a V8 M62, using a 404 DME with the XDF made by MYKK (huge thanks to him for this work). Did some tests and I find 2 new tables that could be interesting, and since M3.3 and m3.3.1 are very similar I think it can be easy to find in 413/506. Adresses are for beginn...

Evil

Check here:

http://forum.tunerpro.net/viewtopic.php?f=12&t=4419

Evil

Nice !
I didn't understand why raw values were increasing with rpm...

With the good equation things are way better.
Thank you very much !

Evil

Hi all,
Does someone knows unit and factor for datas in dwell time table? I will soon use some "high performance " coilpacks for my turbo setup, and will have To tune this table for the new coilpacks..

Evil

I've seen this "1utomatic checksum correction" in some xdf but it doesnt work.
Anyway like olafu said, a bad checksum only causes a CEL, I personnally never change checksum on my tunes, I have just deactivate checksum dtc.
Your xdf was probably wrong

Evil

If you want more try to retard ignition timing

For some kind of "antilag" you need to flow more air on overrun, by opening more the ICV

Evil

Did the swap today and a pre-tune (No more idle and wot maps, changed the adresses in the table index, PT/wot switch To 254, all fueling and ignition will work with PT tables). Good thing To know: the MAP sensor I use is a 2bar from a sierra cosworth, the electrical plug is absolutely the same :D I ...

Evil

I've boosted my m50b25 with a gt3076. I've done a "housing swap" on my MAF (not an easy thing with the hot wire maf from non-vanos engines ) but maf signal is very unstable at idle and low loads. The only maf swap for 402/403 dme is the M5 3.8, so I think I will do the TPS/MAP swap. Mykk, ...

Evil

http://tunerpro.net/forum/viewtopic.php?t=4419

Evil

You're lucky I have a XDF for 402 599, here it is :

https://transfernow.net/41i2k233o85w

not "full xdf" but you'll find all you need .
All tables after "closed loop lambda" are wrong because I used a 403 xdf as basis and didn't delete those ^^

Evil

is it a soft 098 or 599?

I have no XDF for 402 but I can find map for burble easily (very similar to 403)

Evil

Unfortunately I didn't keep it, sorry... but if you need I can tell you map adresses for your 402. Tuning for pop1bang is not so different than the rest, just set an AFR on overrun and try different ignition angles depending on which type of pops you want. A good thing to do could be to extend Idle ...

Evil

I did some tests on a 403. First you have to set overrun fuel cut to the same value than your rev limit, To allow fuel injection on overrun. Then you have to play with fueling and ignition on idle maps. The problem is that there must be a limit in "ignition angle variation speed" or someth...

Evil

which soft do you want? 599 or 098?

Pour quel software, 599 ou 098?

Evil

https://transfernow.net/52btc4r29g7d

XDF re-uploaded

Evil

Olafu: for your wot problems, the same thing happend To me in lower proprtions (between 1/1.5+ on afr on first and second gear acceleration). I almost solved the problem by rising values in the last column of "acceleration enrichment quantity". I dont know if its the best solution but it w...

Evil

For temperatures i use X*0.75 - 48. Thats the formula Ive seen on many threads here, dont know if its 100% accurate.
Are you sure for D6 To be raw load?? There is no D5 in 403, and I think raw and dampered load are D3 and D2

Evil

Here is my current XDF for DME 403: https://www.catupload.com/download/dd963ab87d2899872360a690746a3567.html Many things have been found thanks to the discussions we have on the 413/506 thread and the amazing work of Hairyscreech and Olafu (also Mykk who is very active on this thread)... So a HUGE t...

Evil

For the TPS thresolds, the RPM values are those in the XDF shared by Olafu about this, sooner in this thread. I have never checked if it was correct for my 403, but the thresolds are working for sure, I modified them for my ITBs because TPS range was very shorter on them.. I think that the different...

Evil

Interesting! I noticed that last tÂ° cell on ECT related tables (with formula x*0.75-48) was reached way before the engine had reached this tÂ°. E.G on ECT fuel correction, the 80Â°C cell is hit when engine is at about 55/60Â°C in the radiator inlet pipe (tÂ° in engine must be a little higher, I hav...

Evil

In my french repair manual, for both air and water sensor, they say 2200/2700ohms @20Â°C and 300/370ohms @80Â°C, so your second sensor seems To have the good values. I remember I tested both on my car this summer @20Â°C and values were in the range. The water sensor was in the range too at operating...

Evil

For the air temp sensor I can check on mine if you want, what do you need exactly?

Evil

Very interesting! Thanks for these updates.

Evil

Great news! For the wot tables, maybe is there an unknown thresold anywhere that cause these wot fuel problems. I think both ignition and fuel wot tables could be extended, with complementary scaling of the load scale between PT and wot. Asks some work for "programming" but I believe it sh...

Evil

On M4.4 (volvo turbo) I have seen that the same tables is used at several points of the "table of tables", something like 4/5 times, so maybe you can be optimistic about that :D I don't remember what table it was and what was is function, I was just making comparisons with MP3.2 so didnt m...

Evil

Bigger maf with corresponding transfer fonction.

Soft number ls written on the chip I think. You can also find this number in the end of your Bin, using the ASCII column of the hex editor

Evil

good to have a real life feedback about that! For ignition tables, on MP3.2 they are RPM/Load related, like us. I dont see what could be a problem, for a given RPM load is directly related to boost value. Anyway I think that those tables can be converted to RPM/Boost instead of RPM/Load. For a bette...

Evil

I was reflecting about using a MAP sensor with our 3.X(.X) motronics. For low boost applications the simplest solution is a MAF swap for a bigger one, and seems to work well. But for high boost, using a MAP sensor would be a better idea than a MAF which could saturate quickly. So here is my idea: re...

Evil

The bin and XDF you can find in the download section will work with your 402 I think. For my 403 there is 2 different soft numbers and they worked both on mine. There can be some minor differences but anyway both are OK to start with (I think there is one version for 3-Series and another for 5-Serie...

Evil

With good knowledge of how tables and headers works in motronic, you can easily found all you need from all the infos here on 403 and 413 ðŸ˜‰ Why do you want a bigger maf? It can be useful for turbo or supercharger applications, but in naturally aspirated, maf is not a limiting factor with original...

Evil

Good info!
So that could be useful on a NV motor To avoid having a solenoid plugged (or dummy load) and then not to have To tune identically retarded and advanced tables, right?

Evil

Ok guys, thanks

Evil

Hi all, Does anyone knows any conversion factor for datas in D75C? (injectors dead time). Will have to re-tune it because I will change mines for slightly bigger ones. I searched on the web for the dead times of the OEM ones to try to calculate a factor with it for the 403 DME but wasn't able to fou...

Evil

If you want richer overrun try To enrich with Idle fuel table ðŸ˜‰
It should work fine with or without maf (works for me in alpha-n)

Evil

Table for fuel cut RPM works perfectly! I can adjust fueling as I need with VE table and then with idle fuel table. Throttle tip-in is now close to Perfect, and it has also solved my stalling problem at stops. Many thanks olafu for these infos which have been very useful, and also To the others for ...

Evil

It's also followed by a 4x1 unknown descriptor in 403. Maybe this could be "engine deccel speed". And to talk about unknown descriptors: I'm quite sure there is also somewhere a dedcriptor for" engine acceleration speed", one for "Time" and one for "number of engin...

Evil

I have the same table in 403, scaling and data are not exactly the same but very similar, With X*40 it seems to be RPM values like you said!
I will try it today and tell you if it works

Evil

I think the same a bout it. I did found 2 "double bytes " which were like the rev limiter and with Ã value around 1500rpm, but change those bites didnt have any effect on overrun RPM. But It can also be a single value in x*40.... I'm still searching but with thÃ© exact value of overrun RP...

Evil

I did try To set Idle/PT thresold To 0 with no success unfortunately... Switching occurs anyway,maybe is there an offset...? Your idea wasnt bad, this could have been an easy solution ðŸ˜‰ I'm quite sure it is possible To change overrun RPM, i need To find the exact value and it sould be not so hard...

Evil

My VE table is now close to be finished (need some adjustements at high loads and wot to perfect fueling. Enrichments are good, still have some trouble at throttle tip-in after overrun fuel cut, and the "overrun IAC position table" seems to have no effect to that. If I enrich more for thro...

Evil

As far as I am aware the econometer output is just a square wave pulse that is based on injector pulse width and speed, possibly only pulse width as the clocks already know speed and the OBC wires through the clocks. It is something I would like to be able to adjust actually as I like having the ca...

Evil

Maybe it is possible To pick up load signal with the econometer output?

Evil

I have play a litle with DC15/DC31/DC3B: (With clamps and damper table set to 255) Have raise DC31 a lot to have a "general" higher enrichment, then "finer" tune with DC3B. Then played with DC3B to extend or reduce lenght of enrichment (I had to reduce for the most part of it, it...

Evil

200 is 10ms in load. But 623 has "200" only at max. rpms. That 0xD768 "latency" or "damper" is one thing what i would try to adjust, if i had ITB setup, or throttle valve size is changed. There is practically no delay when ITB:s are pressed from closed to WOT, so there...

Evil

I agree with opinion about that.
On 403 all values for clamp are 200, but like you said it must be very engine dependant and the VANOS must be the reason of these differences.

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