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Author Topic: Me7.1 S4 d to m box bin  (Read 3067 times)
maxc777
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« on: September 02, 2018, 08:37:53 PM »

Hi guys,
I’m aware this has been covered a number of times in the past.
Just wondering if it would be possible to write a M box bin file over my D box.
(8D0907551D)

Obviously I would have to change the airflow meter offset and table for the Bosch sensor.

What about oxy sensors? M uses wideband I believe and post cat also?

Thanks in advance.


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nyet
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« Reply #1 on: September 02, 2018, 08:41:35 PM »

wideband no, post cat yes.
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maxc777
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« Reply #2 on: September 02, 2018, 08:44:24 PM »

Oh ok good, so just code out the rear o2. Copy Bosch maf table and add the offset and it all should work?

Thanks.


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nyet
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« Reply #3 on: September 02, 2018, 08:46:44 PM »

Oh ok good, so just code out the rear o2. Copy Bosch maf table and add the offset and it all should work?

You may need to recode the ECU using VCDS to match your set up (no ESP, etc).
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! 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 ex
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