Tuners Rejoice! Free Tuning For M4.4!


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Attention: The first 30 or so pages of this thread are outdated. Please refer to the M4.4 Wikia article where all the relevant information is currently being collated. Before asking any questions p

Crush it.

After alot of testing and rewriting code, we finally got a useful new mod working. As we all know, some time ago my dad Piet found out how to convert to bigger maf housings with the maf factor. Conver

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Can someone post up a high res photo of the inside of their m4.4 boards? I wanna start getting some datasheet for the various IC's so i can figure out whats going on.

Is the picture included with MotronicSuite not good enough? I can get a high res picture of the front and back if you need something better.

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It's pretty good but I want to see if there is a hardware difference between the non turbo and turbo

The hardware appears to be the same, at least it was on the m4.3 I did for my son. I flashed a non-turbo m4.3 ecu with the Euro R manual file (626) and it worked fine. BCS was fully functional. M4.4 may be different though...

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M4.3 I know has the same internals, but M4.4 I have heard does not. If someone could take apart their M4.4 N/A box we could compare the internals.

From what I can see it is missing a couple of components.

From what I have been told the NA 4.4 is missing the BCS circuitry.

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Been doing some assembly work. Working through the initilization code. Hopefully I can disable the checksum check and then find the main loop.

Also I wanna post up the memory map for the ecu and how it's memory is configured.

Edited by Simply Volvo
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