Tuners Rejoice! Free Tuning For M4.4!


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  • 3 weeks later...

The higher voltage parts of the graph are very steep. So small errors in de model will be amplified. So really high kg/h numbers like that (almost twice the stock ceiling) can potentially be off quite a bit. It doesn't matter much tuning wise ofc, but it can throw off rough hp guesses.

Edited by venderbroeck
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Hi,

I'm in search of a m4.4 non-turbo (naturally aspirated) binary from a b5254s (20v 170hp). Specific boschnumber is 0261204293.

My aim is to create a xdf for it in order to tweak a few things.

Is the only option to unsolder and make a readout of the bin?

All motronic suite bins are turbo bins I asume..?

Anyone who have a m4.4 N/A bin for me to play with in order to learn differences in between turbo an N/A bins?  

If someone have hade a look into them it would be super helpful if they are willing to share some knowledge. What to expext?  Will the checksum plug-in work for non-turbo bins?

Best regards

turboforslund

 

Edited by Turboforslund
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0261204570-1037358289 is N/A B5254S I believe and has a damos file.

I don't know if I have a copy of 0261204293, but I'll check if I can find the right disk drive this evening.

Checksum is the same in all M4.4 as far as I know.

Unsoldering is the safest known method to get the file from the chip I believe. Normal KWP reading will only read last 64kB.

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  • 2 weeks later...

Hello guys. I'm really amazed how you could do so many things using the stock volvo ECU. I am from Brazil and I have a Volvo 850 t5. Thanks to you guys I managed to get my car running with the m4.4 and E100 (lucky me I have plenty of this fuel here). I am still reading all this topic, but I found something here that can be useful to me. I use right now a wideband sensor just to log, but as I saw that we can use it as a closed loop lambda control. Am I right? How can that be done? Thank you for the support :) 

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5 hours ago, matmom42 said:

Hello guys. I'm really amazed how you could do so many things using the stock volvo ECU. I am from Brazil and I have a Volvo 850 t5. Thanks to you guys I managed to get my car running with the m4.4 and E100 (lucky me I have plenty of this fuel here). I am still reading all this topic, but I found something here that can be useful to me. I use right now a wideband sensor just to log, but as I saw that we can use it as a closed loop lambda control. Am I right? How can that be done? Thank you for the support :) 

 

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