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 Post subject: Motronic M5.2 ECU Definitions
PostPosted: Fri Aug 05, 2022 11:06 am 
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Experienced

Joined: Wed Oct 21, 2015 2:36 am
Posts: 980
This thread contains definitions for the M5.2 DME used for the M44B19 motors.
Only 667 software is my primary focus however some work has been done to include the later model US 668 DMEs.
Unlike siemens MS4x DMEs, these cannot be flashed interchangeably i.e. only 667 software on 667 DME and only 668 software on 668 DME.

The definitions will be managed on github as that will allow me greater flexibility in managing contributions:
https://github.com/ba114/M5.2
Stock 667 binary files can also be found on the GitHub and are attached here.

Please do not post map addresses in this thread. If you can use romraider, you can use github. Create an account and create a pull request if you have changes you want incorporated.
This thread will be updated as new maps/contributions are merged into the master.


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 Post subject: Re: Motronic M5.2 ECU Definitions
PostPosted: Mon Aug 22, 2022 10:32 am 
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Joined: Wed Oct 21, 2015 2:36 am
Posts: 980
New defintions pushed to github.

Many new maps added including Alpha-N


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 Post subject: Re: Motronic M5.2 ECU Definitions
PostPosted: Wed Jun 12, 2024 10:41 am 
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Newbie

Joined: Wed Jun 12, 2024 10:38 am
Posts: 1
Hi!
Definitions not work my ecu file.
What my problem?
Thanks very much


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 Post subject: Re: Motronic M5.2 ECU Definitions
PostPosted: Wed Jan 22, 2025 12:12 am 
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Newbie

Joined: Wed Jan 22, 2025 12:05 am
Posts: 1
Hi! I'm trying to modify the map of my car that is only used on the track. I have a wideband lambda probe installed. According to the raider rom there are 2 part throttle maps. Shouldn't there be a full load enrichment map? In raider rom it is not defined, and in wols I can't define it. Is it possible that this ecu doesn't have a wot fuel map and only uses the part throttle maps part 1 and part 2? Thanks.


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 Post subject: Re: Motronic M5.2 ECU Definitions
PostPosted: Mon Sep 29, 2025 3:44 am 
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Newbie

Joined: Tue Jan 28, 2020 2:36 am
Posts: 2
Hi,

Good question, I have the same one.
Did you find any infos on this?

Thanks


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 Post subject: Re: Motronic M5.2 ECU Definitions
PostPosted: Sat Nov 15, 2025 6:06 pm 
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Newbie

Joined: Thu Jun 12, 2025 1:50 pm
Posts: 2
this is a big v long shot but if anyones see this are the able to help me raise the rev limiter it create a map pack for this ecu its the bosch m5.2 ecu part num 0261203667 i have included full and partial binary


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