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Default Jb4 installed car acting up - 04-19-2018, 12:48 PM

Bought a jb4 on a different forum, installed it just as described online went to start the car and it idles horribly had like 12 codes on..removed the jb4 and the car was back to normal. Any ideas of cause or how to fix thi issue?
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Default 04-19-2018, 12:53 PM

Would need install photos, code listing, JB4 log, etc, to offer any advice.


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Default 04-19-2018, 01:26 PM

Quote:
Originally Posted by Terry @ BMS
Would need install photos, code listing, JB4 log, etc, to offer any advice.
New to all this is there anyinfo on how to send logs and code listings
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Default 04-19-2018, 07:12 PM

Quote:
Originally Posted by Terry @ BMS
Would need install photos, code listing, JB4 log, etc, to offer any advice.
180419_1907.csv
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Default 04-19-2018, 07:39 PM

That's not a log as there are no values. Update your firmware and post a log.



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Default 04-19-2018, 07:41 PM

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
That's not a log as there are no values. Update your firmware and post a log.
Sorry im new to all this havent even driven the car with the jb4 on it because it stalls out
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Default 04-19-2018, 07:42 PM

Looks like very old firmware. Install photos?


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Default 04-19-2018, 07:46 PM

Sorry no photos i just took it off
Firmware ver 31//2
Interface ver 4/1/18
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Default 04-20-2018, 11:52 PM

Make Sure you have a G5 board
http://www.n54tech.com/forums/showthread.php?t=20360

Update to latest firmware, G5_ISO_32_10
http://www.n54tech.com/forums/showpo...68&postcount=2

Set all setting to default, Post #3, enable 6cyl timing logging
http://www.n54tech.com/forums/showthread.php?t=10605

after all of that do a log,
3rd or 4th gear, traction off, 2k to redline

Post log back in this thread


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JB4 G5 - Trebila BEF
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Default 04-21-2018, 10:32 AM

I updated the firmware and set it to default like the picture and still acts up
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Default 04-21-2018, 10:39 AM

Quote:
Originally Posted by Haynpunch
Make Sure you have a G5 board
http://www.n54tech.com/forums/showthread.php?t=20360

Update to latest firmware, G5_ISO_32_10
http://www.n54tech.com/forums/showpo...68&postcount=2

Set all setting to default, Post #3, enable 6cyl timing logging
http://www.n54tech.com/forums/showthread.php?t=10605

after all of that do a log,
3rd or 4th gear, traction off, 2k to redline

Post log back in this thread
still acts up did as you said and get these codes :
3100 low boost mode engaged -- CEL displayed
2CF6 Throttle valve potentiometer 1, plausibility with regard to air mass
2D33 Absolute pressure sensor, intake pipe: Signal
2FBC Fuel pressure control valve, signal
2CF7 Throttle valve potentiometer 2, plausibility with regard to air mass
2D09 Drosselklappe
2E7C Bit serial data interface, signal
2A94 Crankshaft sensor, signal
2ACB DME digital motor electronics main relay, input signal
2CFB Throttle valve adaptation value
2ABC Charging pressure sensor, electrical
00F1 No Description Found
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Default 04-21-2018, 03:14 PM

Pictures of board, install, and a log please.



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Default 04-21-2018, 07:40 PM

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
Pictures of board, install, and a log please.
idk if i can do the log because i cant drive the car with the jb4?[ATTACH]Name:  IMG_4332.jpg
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Default 04-21-2018, 10:17 PM

This is the exact same fault I’m getting


2016 M135i - JB4, standard
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Default 04-21-2018, 10:17 PM

(From what you said)
I can’t get logs as I have no cable


2016 M135i - JB4, standard
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Default 04-21-2018, 10:41 PM

Does your car have the same symptoms
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Default 04-22-2018, 11:11 AM

If installed properly, could be a bad board. You can purchase a replacement board at burgertuning.com



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Default 04-22-2018, 12:10 PM

[ATTACH][ATTACH][ATTACH][ATTACH][ATTACH]Name:  IMG_4337.jpg
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Size:  131.4 KB[/ATTACH][/ATTACH][/ATTACH][/ATTACH][/ATTACH]
Quote:
Originally Posted by Steve @ BMS/Fuel-It!
If installed properly, could be a bad board. You can purchase a replacement board at burgertuning.com
heres the install pics i have the g5 iso 32 10 firmware....why is the water pump always on?
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Default 04-23-2018, 11:20 AM

Have you verified they are all properly seated at the DME?

I don't see anything obvious but when purchasing a used board and wiring harness, it's hard to say what the issue may be.



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Default 04-23-2018, 12:28 PM

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
Have you verified they are all properly seated at the DME?

I don't see anything obvious but when purchasing a used board and wiring harness, it's hard to say what the issue may be.
Everything was correct i guess its a bad board im getting my refund
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Default 04-23-2018, 08:57 PM



That's the hard part about buying used...never know what you are going to get. Been there...done that!



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