JB3 Removal

kwatkins12 · 05-03-2020, 11:30 AM

I know this is a super outdated device but the previous owner had it on my car and I can't find anything about removing it. I was originally going to swap in the new JB4 G5 I've had for a few months but decided I will just go MHD and get a custom tune done. Does anyone have any info on removing the jb3 or remember how they did it? Would really appreciate it.

Side note the G5 BMS sent me is a square enclosure but all the pictures I see the enclosure is a rectangle any reason for that?

335e92tx · 05-04-2020, 10:58 PM

Its pretty straight forward, there is a jumper harness that goes between the main and ECM connections. The JB3 has two sets one for the longer connector and one for the shorter. You will just end up having to press the pins out. I imagine there is a DIY here

https://www.n54tech.com/forums/forumdisplay.php?f=12

edit
https://www.yumpu.com/en/document/re...er-motorsports

Or someone will help you if you post something.

As far as the G5 goes, I got out them before then, but it sounds like it could be the box for the S55.
They are more square

kwatkins12 · 05-06-2020, 02:26 PM

Quote:

Originally Posted by 335e92tx

Its pretty straight forward, there is a jumper harness that goes between the main and ECM connections. The JB3 has two sets one for the longer connector and one for the shorter. You will just end up having to press the pins out. I imagine there is a DIY here

https://www.n54tech.com/forums/forumdisplay.php?f=12

edit
https://www.yumpu.com/en/document/re...er-motorsports

Or someone will help you if you post something.

As far as the G5 goes, I got out them before then, but it sounds like it could be the box for the S55.
They are more square

Thanks for the links! Really appreciate it was trying to find the install guide everywhere. Guess I'll have to contact bms about the board but I've heard their return policies aren't the best.

Antetokounmpo · 05-06-2020, 02:30 PM

is it a pin-out version? if so, it's a lot more involved

kwatkins12 · 05-06-2020, 09:45 PM

Quote:

Originally Posted by Antetokounmpo

is it a pin-out version? if so, it's a lot more involved

I don't think it's the pin out version from what I know it's the PNP burger said I would only need to change the power wires to us the g5.

Fuel-It! · 05-06-2020, 10:32 PM

JB3 is pretty old, is it pin out or PNP? For $175 you can upgrade it to the latest JB4 system and then run their free MHD flash maps to go with it. You'll save a ton over having to do custom tuning and wind up with a lot more features and safety to boot.

kwatkins12 · 05-07-2020, 10:18 AM

Quote:

Originally Posted by Fuel-It!

JB3 is pretty old, is it pin out or PNP? For $175 you can upgrade it to the latest JB4 system and then run their free MHD flash maps to go with it. You'll save a ton over having to do custom tuning and wind up with a lot more features and safety to boot.

I have the upgraded G5 already. I was originally going to swap that in and then use the BEF with MHD. I think I'm just going to go MHD now so I can utilize the logging and gauges MHD has instead of having to get the BMS Bluetooth module and use their gauges, as well as using MHD to get rid of the catless CEL instead of the plug in DP fix. I would like to have the jb4 in for the additional features but what to keep it as streamlined as possible so if you have any suggestions that would be great.

Fuel-It! · 05-07-2020, 05:25 PM

When you load the back end flash map via MHD you can turn off any light you want. It's a $79 license only vs. having to buy the maps from MHD, the logging from MHD, pay for a custom tuner, etc, if going flash tuner.

JB4 bluetooth is $175 for module and app if you don't have it. You could find a used one or use a $35 data cable and free laptop software if money is tight.

kwatkins12 · 05-07-2020, 07:59 PM

Quote:

Originally Posted by Fuel-It!

When you load the back end flash map via MHD you can turn off any light you want. It's a $79 license only vs. having to buy the maps from MHD, the logging from MHD, pay for a custom tuner, etc, if going flash tuner.

JB4 bluetooth is $175 for module and app if you don't have it. You could find a used one or use a $35 data cable and free laptop software if money is tight.

With that option does it just turn the light off or will it come up as unready for emissions? I've read it will only come unready if you are using the MHD flash, and with the JB4 I'd need to get the DP fix as well. Have you used the JB4 logging and gauges how does it compare to the MHD ones?

Fuel-It! · 05-08-2020, 11:36 AM

Quote:

Originally Posted by kwatkins12

With that option does it just turn the light off or will it come up as unready for emissions? I've read it will only come unready if you are using the MHD flash, and with the JB4 I'd need to get the DP fix as well. Have you used the JB4 logging and gauges how does it compare to the MHD ones?

Always status unready, downpipes are for race cars only. No one is going to help you fool emissions especially on a public forum the fines are huge for that.

kwatkins12 · 05-08-2020, 12:23 PM

Quote:

Originally Posted by Fuel-It!

Quote:

Originally Posted by kwatkins12

With that option does it just turn the light off or will it come up as unready for emissions? I've read it will only come unready if you are using the MHD flash, and with the JB4 I'd need to get the DP fix as well. Have you used the JB4 logging and gauges how does it compare to the MHD ones?

Always status unready, downpipes are for race cars only. No one is going to help you fool emissions especially on a public forum the fines are huge for that.

I understand that, just wanted to know if it would be unready or just turn the light off. Thanks for all the help I appreciate it.

05-03-2020, 11:30 AM	#1
kwatkins12 Private First Class 93 Rep 194 Posts Drives: YMB 15 M4 Join Date: May 2019 Location: Charleston iTrader: (0)	JB3 Removal I know this is a super outdated device but the previous owner had it on my car and I can't find anything about removing it. I was originally going to swap in the new JB4 G5 I've had for a few months but decided I will just go MHD and get a custom tune done. Does anyone have any info on removing the jb3 or remember how they did it? Would really appreciate it. Side note the G5 BMS sent me is a square enclosure but all the pictures I see the enclosure is a rectangle any reason for that?
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05-04-2020, 10:58 PM	#2
335e92tx ahat 1068 Rep 2,592 Posts Drives: Was '07-335e92 - Now '13-335IS Join Date: Mar 2008 Location: Texas iTrader: (6)	Its pretty straight forward, there is a jumper harness that goes between the main and ECM connections. The JB3 has two sets one for the longer connector and one for the shorter. You will just end up having to press the pins out. I imagine there is a DIY here https://www.n54tech.com/forums/forumdisplay.php?f=12 edit https://www.yumpu.com/en/document/re...er-motorsports Or someone will help you if you post something. As far as the G5 goes, I got out them before then, but it sounds like it could be the box for the S55. They are more square __________________ '13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92)- Grey interior (1 of 24 in LMB with any trans- 1 of 14 with DCT)-MODS -MFactory LSD/MHD-BQ custom Tune/ATM-IC/AFE Momentum GT Intake/Konis/Mfront&HeimJoint Rear rods&arms/Brembos. https://photos.app.goo.gl/Lo6aHZRo7XqtPkhL8 Last edited by 335e92tx; 05-04-2020 at 11:39 PM..
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05-06-2020, 02:30 PM	#4
Antetokounmpo Brigadier General 1560 Rep 3,475 Posts Drives: E90 6MT FBO; '18 F150 Platinum Join Date: Jul 2013 Location: WI iTrader: (3) Garage List 2018 Ford F-150 Pla ... [0.00] 2008 BMW 335xi [0.00]	is it a pin-out version? if so, it's a lot more involved __________________ 2008 335xi 6MT \| VRSF Catless DP \| VRSF 7" FMIC \| VRSF CP \| TIAL BOV \| DCI \| MHD 2+ BC Racing BR \| Stoptech 600 \| Firehawk Indy 500 255 Square \| Atric Altimax 225 Sq. 2018 F-150 Platinum 701A \| FX4 \| 3.5 EcoBeast
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05-06-2020, 10:32 PM	#6
Fuel-It! Banned 552 Rep 949 Posts Drives: M4, M5, M2C, X4M, 440i, etc... Join Date: Mar 2019 Location: Phoenix AZ iTrader: (0)	JB3 is pretty old, is it pin out or PNP? For $175 you can upgrade it to the latest JB4 system and then run their free MHD flash maps to go with it. You'll save a ton over having to do custom tuning and wind up with a lot more features and safety to boot.
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05-07-2020, 05:25 PM	#8
Fuel-It! Banned 552 Rep 949 Posts Drives: M4, M5, M2C, X4M, 440i, etc... Join Date: Mar 2019 Location: Phoenix AZ iTrader: (0)	When you load the back end flash map via MHD you can turn off any light you want. It's a $79 license only vs. having to buy the maps from MHD, the logging from MHD, pay for a custom tuner, etc, if going flash tuner. JB4 bluetooth is $175 for module and app if you don't have it. You could find a used one or use a $35 data cable and free laptop software if money is tight.
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