JB4tech.com - International Turbo Tuning Discussion
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Sakis335's Avatar
Sakis335 Sakis335 is offline
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Posts: 2
Join Date: Nov 2021
Car: 2008 335i e93
Default JB4 N54 Wiring Harness - 11-29-2021, 02:03 AM

Hello dear comunity,

I recently got my hands on a JB4 for my e93 335i.
My problem now is that the harness that it came with is kinda suspicius and i can not find out what is going on. I would like to replace the usb data cable with the bluetooth connect kit but its connected to the main harness.

So i thought someone on here could defitely help to identify the problem and help me find a solution.

If you need more info like pin nr. etc let me know.
I want to remove the usb and attach the bluetooth connect kit.

Here are some pictures of the botched harness















20211128-193849980-i-OS — ImgBB
20211128-193856732-i-OS — ImgBB
20211128-193909208-i-OS — ImgBB
20211128-193921107-i-OS — ImgBB
20211128-193945893-i-OS — ImgBB
20211128-201511254-i-OS — ImgBB
20211128-201521836-i-OS — ImgBB
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Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Join Date: Oct 2012
Car: 135i
Default 11-29-2021, 01:46 PM

A new harness can be purchased here...

https://burgertuning.com/collections...150-core-charg

The bluetooth adapter can be purchased here...

https://burgertuning.com/collections...e-connection-1



Click on our banner to visit our website!
Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
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Sakis335's Avatar
Sakis335 Sakis335 is offline
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Join Date: Nov 2021
Car: 2008 335i e93
Default 11-29-2021, 02:05 PM

Hi Steve, I would like to fix this one since I don’t want do buy another one right now.
Plus I am on Europe and could not find the harness alone
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