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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: E9X ACC Retrofit



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      01-10-2025, 07:51 PM   #617
priebe3
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Interesting, thanks for the info on the e60. I'll look for e71 stalks

Do you know if e70 is the same as e71? The SZL looks the same but has a different part number. Might have electrical differences like e60
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      01-11-2025, 10:45 AM   #618
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Quote:
Originally Posted by priebe3 View Post
Interesting, thanks for the info on the e60. I'll look for e71 stalks

Do you know if e70 is the same as e71? The SZL looks the same but has a different part number. Might have electrical differences like e60
e70 szl have also rear wiper functionality, it goes to e91 or e87 e81
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      01-16-2025, 02:40 AM   #619
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can anyone in europe send their trace files for acc and ldm? Im in the USA and my custom coding for following distance, and initial follow distance does not want to reflect after coding. For some reason the acc sensor doesnt respect any coding changes i make.

thanks!
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      01-16-2025, 10:28 AM   #620
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Quote:
Originally Posted by Rupppi View Post
Quick update: JBE pin 1-2 had the proper resistance. Instead sourcing from 5-6, I moved the CAN connection there with a splitters. Remeasured the LCM lines as well, they were in the right order originally. First time ever I couldn't only talk to the module but code it without an error, then my laptop's battery ran out of juice.
Edit: That was it! ACC works on a 03/2006 preLCI E87 130i. Only LCM, SZL(335i), KOMBI(E90 High) and ACC(335i) are added/swapped. I guess clutch doesn't immediately disengage the set speed which I loved in my Audi as well.
So wait, all you did was move your CAN connection lines?
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      01-17-2025, 12:12 AM   #621
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Originally Posted by ptpending View Post
e70 szl have also rear wiper functionality, it goes to e91 or e87 e81
Isn't the stalk interchangeable if you remove it from the SZL? I thought earlier posts talk about people successfully swapping ACC stalks from e90 SZLs onto e91 SZLs
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      01-17-2025, 05:32 AM   #622
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Quote:
Originally Posted by priebe3 View Post
Isn't the stalk interchangeable if you remove it from the SZL? I thought earlier posts talk about people successfully swapping ACC stalks from e90 SZLs onto e91 SZLs
I didn't tried personally. You can try, if this will not help and you will not damage flex cable, then you can install e70 szl without issues as a backup option
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      01-17-2025, 08:48 AM   #623
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Quote:
Originally Posted by Leucosticte View Post
So wait, all you did was move your CAN connection lines?
Correct. There must be something I missed about the bus. I wanted to do clean a clean setup and used to empty pins on the JBE, which did not work even after placing the terminator resistor on the new lines.
So I connected to the original working network and the LDM worked straight away.
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      01-17-2025, 10:04 AM   #624
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Quote:
Originally Posted by Rupppi View Post
Correct. There must be something I missed about the bus. I wanted to do clean a clean setup and used to empty pins on the JBE, which did not work even after placing the terminator resistor on the new lines.
So I connected to the original working network and the LDM worked straight away.
Ok, interesting... I've been using the working network the entire time during the retrofit.

After reading this, it makes me want to try tapping it at the Junction Box and not at the FRM with the ACC module.
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