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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > OBD2 Loosing Comms Repeatedly



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      11-08-2024, 06:54 PM   #1
Justus
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OBD2 Loosing Comms Repeatedly

Hi all, Ive been searching everywhere but can't seem to find if Im on right track.
My OBD (Thor/ MHD and others) connects to phone via Torque but continusly looses comms, Info pops up for a second then says lost over and over. Ive ordered a new Junction box thinking maybe its that.

Apparently to swap it out I need to code the new one?

Vehicle is a 09 335i E92.

Anyone had same issue?

Any help is greatly appreciated.

Don't have a dealer or mechanic for a few hundred kms away so rather limited.
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      11-08-2024, 06:57 PM   #2
Justus
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Just to add that I do have JB4 installed and that's working fine for info but after that Ecu I assume is problem
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      11-10-2024, 05:22 PM   #3
ctuna
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Is your battery healthy and do you have a stable alternator output in the proper voltage range?
You might want to vist the N54 N55 motor subforum where they talk about MHD .
And it wouldn't hurt to put this up in the general forum .
bmw boards and links
https://www.bimmerfest.com/forums/forumdisplay.php?f=99
https://www.e90post.com/forums/forumdisplay.php?f=27
https://www.e90post.com/forums/forumdisplay.php?f=2
https://www.e90post.com/forums/forumdisplay.php?f=122
https://www.e90post.com/forums/forumdisplay.php?f=368
https://bimmerretrofit.com/store/
https://www.e90post.com/forums/forumdisplay.php?f=197
https://www.e90post.com/forums/forumdisplay.php?f=378
https://www.e90post.com/forums/forumdisplay.php?f=16
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      Yesterday, 04:16 AM   #4
Justus
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Thanks I will have a look.
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