Need help with EGT Delete - Audi A6 C5 2.7T AZA-4B0907551R

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Topic: Need help with EGT Delete - Audi A6 C5 2.7T AZA-4B0907551R (Read 1538 times)

ale2.7t

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	Need help with EGT Delete - Audi A6 C5 2.7T AZA-4B0907551R « on: April 02, 2026, 08:01:08 AM »

Hi everyone,
I'm currently working on a project for my 2001 Audi A6 C5 with the AZA engine. I need to perform an EGT sensor delete and remove the SAI (Secondary Air Injection) system. I have already pulled the .bin file, but I’m struggling to find a compatible .XDF file for my specific ECU version.
Could anyone share an XDF file or help me identify the offsets for:
EGT (Exhaust Gas Temperature)
SAI (Secondary Air Injection)
This is my first time doing this, so any guidance on the correct addresses for this hardware/software combination would be greatly appreciated.
ECU Information:
HW: 0261207002
SW: 1037354143
ID: 4B0907551R
I am attaching the original .bin file below for you to check.
Thanks in advance for your help!


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grayjay

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	Re: Need help with EGT Delete - Audi A6 C5 2.7T AZA-4B0907551R « Reply #1 on: April 02, 2026, 07:00:10 PM »

Have you looked into cross-flashing the S4 files (8D0907551M for manual, or 8D0907551L for tiptronic) which do have well populated xdf?
http://nefariousmotorsports.com/forum/index.php?topic=5552.0title=
https://files.s4wiki.com/defs/

Using the S4 files would also make it easier to follow along with Nefmoto community project: Stage1 2.7t ME7.1 S4 (APB 8D0907551M-0002
http://nefariousmotorsports.com/forum/index.php?topic=6695.0title=

Hopefully someone can chime in if crossflashing from 4B0907551R to 8D0907551M is a bad idea but it has been mentioned as possible.


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