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Thank you, again and some last clarification questions about that topic.

I read https://www.team-bhp.com/forum/diy-do-yourself/170101-vw-polo-diy-cruise-control.html topic about CCS from Gannu and he tell that for diesel engines is ECU T94/64, I could not find this info anywhere else. And he wrote ...

Hello ciclo,

Yes, it is slip ring sorry, my bad. Typing without thinking .
I have to place a new wire from T41/28 to the SB10 in that case? And if any case, there is a wire already there (for something else) I need to splice that wire and attach the 28 pin wire to it, if I understand you right?

Hello ciclo,

Thank you for the help with the WL1 scheme!

I managed to install the WL1 wiring and the BCM Max 7E0937090C. I used pins from Aliexpress because here in Bulgaria you cannot find such pins new. They look a little different from the original ones but they fits well and everything works ...

Hello ciclo,

Managed to find BCM Max 7E0937090C, I think the WL1 have to be done for it also, because there are the same symptoms like 7H0937090B. I succeeded to adapt it and adapt the remote control key I will paste the autoscan with it.


Friday,08,May,2026,18:49:47:16365
VCDS -- Windows Based ...

Tried changing the alternator, there are no errors regarding the injectors, the mechanic also tried to read the car with his VCDS, but still no errors from the injectors… I will try changing all 4 of them to see if the problem it is going to be fixed.

Hello ciclo,

It is not due to the new BCM it does it since a long time, I really do not remember but I think it has that problem before me and my wife know each other (more than 3-4 years :D).

Do not worry about that link, I am sending you a YouTube shorts of it:
https://youtube.com/shorts ...

Thank you for the advice, ciclo! Appreciate it, but I try to not use much AI for this kind of things, I work on a daily basis with AI and it lies a lot, and for some specific things it "halucinates". And this is a cluster, if something is messed up, the car won't start as I know.

Hello ciclo,

I scanned the car with the 3 BCM modules, here are the results:

Log-WVWZZZ6RZAY050822-268630km-166918mi 6R0937086B:
Saturday,18,April,2026,18:50:04:16365
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 25.3.3.0 HEX-V2 CB: 0.4671.4
Data version ...

Hello,

Where do you find information about that retrofit, I would like to do it, also. Can someone help me with that information?

Hi ciclo,

I have made a separate post with an introduction viewtopic.php?t=80126, sorry for spamming that thread.
I wish you a great day.

Best Regards,
Ivan

Hello all, nice to meet you!
Before starting my introduction, I am sorry about my bad English, it is not my native language.

My name is Ivan Velev, 26 years old and I am from Bulgaria. I have a wife and a child and I work as a software developer (Maybe I can be useful to someone in this field :wink ...

I am sorry, maybe I do not explain well but I will try again. The buttons on the doors work with the old BCM 087B but with the new one 090B, they do not work.

Hi ciclo,

I haven’t installed them yet, I just wanted to try if the module will be reached by VCDS without changing anything. It is reachable and I adapted it with the long coding from the old module + some more digits to match the length the new long coding from the new 7H0 module.
Also, adapted ...

Hi ciclo,

I have tried to install the new BCM Max module 7H0937090B, but the errors I receive are:

01516 - Terminal 30, Left 011 - Open Circuit

00927 - Terminal 30, Right 011 - Open Circuit

Also, there is a problem that the window regulators for the front doors do not work, and also the lock and ...

Glad there are guys like you which help other people. I will keep you updated!