NefMoto > Noob Zone > Noob Questions (Moderator: turboat) > Using a non-S4 ECU in an S4
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Author Topic: Using a non-S4 ECU in an S4  (Read 4901 times)
J.Laborde
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« on: May 24, 2016, 11:30:19 PM »
Hello All!  Smiley

I have purchased two ECU's from Ebay going from the S4 wiki to see what is compatible with the S4 B5. These are:

Audi A6 2.7tt : 4B0 907 551 T
Audi Allroad 2.7tt : 4Z7 907 551

Quoted by daz:
"You bought a used ecu that has an immobilizer and want to install it into a car that doesn't.

Simply flashing a bin from a car that didn't have the immobilizer referenced in the programming (any North american s4) will disable checking, allowing you to run a mismatched ecu. If you do this the contents of the 95040 are irrelevant."

So the process I would go through to use these two ECU's would be:
1) Bootmode ecu
2) Install Mbox binary file on ecu
3) connect ecu to car
4) car should start?

Is this correct?

regards.
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Quote from: vwaudiguy on September 27, 2016, 08:37:13 PM
He's a maniac.......MAAAAAANIIIAC
J.Laborde
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« Reply #1 on: May 24, 2016, 11:31:57 PM »
And before i do any of this i would use my bench setup to see if VCDS connects?
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Quote from: vwaudiguy on September 27, 2016, 08:37:13 PM
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nyet
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« Reply #2 on: May 25, 2016, 10:56:13 AM »
Yes to all, but you will likely need to do an engine recode via vcds.
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« Reply #3 on: May 25, 2016, 08:42:04 PM »
Quote from: LabordeS4 on May 24, 2016, 11:30:19 PM
Audi A6 2.7tt : 4B0 907 551 T

This one you might be able to flash using nefmoto. You may not need bootmode.

Quote
Audi Allroad 2.7tt : 4Z7 907 551

This one might be ME7.1.1 depending on which 551 it is.

there are many

http://files.s4wiki.com/stock/part-numbers.txt

If it is ME7.1.1 you CANNOT USE IT in an S4
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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
J.Laborde
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« Reply #4 on: May 26, 2016, 07:11:55 AM »
Quote from: nyet on May 25, 2016, 08:42:04 PM
This one you might be able to flash using nefmoto. You may not need bootmode.

This one might be ME7.1.1 depending on which 551 it is.

there are many

http://files.s4wiki.com/stock/part-numbers.txt

If it is ME7.1.1 you CANNOT USE IT in an S4

Hello Nye,

It is just the standard 551 -
4Z7907551   01 0261206638-1037-354809         6mt NA  ar APB

according to the Wiki It should work. I am just checking how I go about flashing it to work with my S4 Smiley

Regards
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Quote from: vwaudiguy on September 27, 2016, 08:37:13 PM
He's a maniac.......MAAAAAANIIIAC
J.Laborde
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« Reply #5 on: May 26, 2016, 07:18:14 PM »
Quote from: nyet on May 25, 2016, 10:56:13 AM
Yes to all, but you will likely need to do an engine recode via vcds.

Does the Wiki cover S4 engine recoding? What data am I looking for in order to follow through with this procedure?  Huh Tongue

Regards
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Quote from: vwaudiguy on September 27, 2016, 08:37:13 PM
He's a maniac.......MAAAAAANIIIAC
nyet
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« Reply #6 on: May 26, 2016, 07:36:43 PM »
Quote from: LabordeS4 on May 26, 2016, 07:18:14 PM
Does the Wiki cover S4 engine recoding? What data am I looking for in order to follow through with this procedure?  Huh Tongue

Too bad there is no way to search for "engine recode" on the s4wiki.com main page Tongue
« Last Edit: May 26, 2016, 07:40:47 PM by nyet » Logged
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
J.Laborde
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« Reply #7 on: May 26, 2016, 07:52:07 PM »
Quote from: nyet on May 26, 2016, 07:36:43 PM
Too bad there is no way to search for "engine recode" on the s4wiki.com main page Tongue

Silly Laborde Smiley thanks Nyet lol
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Quote from: vwaudiguy on September 27, 2016, 08:37:13 PM
He's a maniac.......MAAAAAANIIIAC
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