Having trouble installing FF wires 11 N55

Nicky92 · 09-04-2014, 09:37 PM

Trying to install flex fuel wires on my friends N55.

Having a problem.

Once everything is connected the car runs weird, half check engine light. SES light.

When you hit the buttons down to go into the JB4 menu the car stumbles and stalls after a couple of seconds.

I went over the wiring 3-4 times, re-did the connector a bunch of times. The car runs perfect when the stock harness is plugged in. Once it's connected to the JB4 harness..it gets all screwed up.

I changed the "Fuel Open Loop" to 50 on the JB4 interface. What that correct?

Any help would be great. Thank you

Newguy123 · 09-04-2014, 10:06 PM

Did you update the firmware and cut the diode for ISO? Not sure if you can run FF wires w/o updating the jb4 firmware and changing all recommended settings for ISO. I did mine all at once, without being ISO FF wires really aren't needed unless boosting more than 16 psi from what I understand. Also I had a similar issue when one of the pins on the job harness was slightly backing out and causing a CEL. Looked connected when I went over all the wiring but when I dis connected harness and pulled on wires individually I saw the loose pin. Hope that helps

Nicky92 · 09-04-2014, 10:24 PM

Yes i updated the firrmware and it was already iso.

1cleann55 · 09-05-2014, 05:14 AM

Quote:

Originally Posted by Nicky92

Yes i updated the firrmware and it was already iso.

Did you connect tthe two green wires coming from the harness (that you cut) together?. Alot of people just cut them and leave them and dont connect them together.

JETmn · 09-05-2014, 08:15 AM

Quote:

Originally Posted by 1cleann55

Did you connect tthe two green wires coming from the harness (that you cut) together?. Alot of people just cut them and leave them and dont connect them together.

That and make sure you cut and intercepted the other wires correctly. It is possible to screw both of those up. I think I put this on your FB post too.

weehe126 · 09-05-2014, 08:20 AM

Quote:

Originally Posted by Newguy123

Did you update the firmware and cut the diode for ISO? Not sure if you can run FF wires w/o updating the jb4 firmware and changing all recommended settings for ISO. I did mine all at once, without being ISO FF wires really aren't needed unless boosting more than 16 psi from what I understand. Also I had a similar issue when one of the pins on the job harness was slightly backing out and causing a CEL. Looked connected when I went over all the wiring but when I dis connected harness and pulled on wires individually I saw the loose pin. Hope that helps

Just so you know, you do not have to be ISO for FF wires to work or be useful.

Sidewinderpb · 09-05-2014, 09:16 AM

Sounds like something isn't wired properly - or maybe the connections aren't clean.

Are you positive that the diode was cut?

Are you sure that you have the pin going through the correct hole?

jseide36 · 09-16-2014, 02:27 PM

bump

JETmn · 09-16-2014, 04:03 PM

What is the bump for, to get a resolution report?

jseide36 · 09-17-2014, 01:46 PM

no i bumped it for fun?

JETmn · 09-17-2014, 02:18 PM

Quote:

Originally Posted by jseide36

no i bumped it for fun?

Words are good. They help explain your intentions. Instead of "bump" you could have said "what did you find out with this?" So people didn't wonder WTF you are talking about since the point where the thread left off was in the middle of troubleshooting.

Schmidty335i · 09-17-2014, 03:14 PM

Quote:

Originally Posted by JETmn

Words are good. They help explain your intentions. Instead of "bump" you could have said "what did you find out with this?" So people didn't wonder WTF you are talking about since the point where the thread left off was in the middle of troubleshooting.

haha this is exactly what i was thinking...

thought i was in the classified section again!

jseide36 · 09-19-2014, 08:39 AM

brains are better, why else would i bump something up other than for someone to see it to get an answer?

Nicky92 · 09-19-2014, 05:55 PM

bump

mustangivore · 09-19-2014, 11:36 PM

FriedPiston · 09-20-2014, 12:29 AM

Contact jon@burgertuning.com for support

09-04-2014, 09:37 PM	#1
Nicky92 Fastest 335 on Earth 39 Rep 426 Posts Drives: 2008 335i Join Date: Feb 2014 Location: Levittown, NY iTrader: (0)	Having trouble installing FF wires 11 N55 Trying to install flex fuel wires on my friends N55. Having a problem. Once everything is connected the car runs weird, half check engine light. SES light. When you hit the buttons down to go into the JB4 menu the car stumbles and stalls after a couple of seconds. I went over the wiring 3-4 times, re-did the connector a bunch of times. The car runs perfect when the stock harness is plugged in. Once it's connected to the JB4 harness..it gets all screwed up. I changed the "Fuel Open Loop" to 50 on the JB4 interface. What that correct? Any help would be great. Thank you __________________ E92 335i, 6MT- YouWish Single turbo, Precision 6466, Doc Race intake manifold w/port injection, Precision Raceworks coil packs and Stage 3 lpfp, 3.46 geared Mfactory LSD, VRSF 3.5" single exhaust, Toyo R888Rs, Spec Stage 3+ clutch, DSS axles, RTD shifter, Motiv, boost box and flex fuel, WOTBOX, MOTIV tuned...and much more
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09-04-2014, 10:06 PM	#2
Newguy123 Captain 121 Rep 653 Posts Drives: 2008 Nissan Titan Join Date: May 2014 Location: Carlsbad iTrader: (0)	Did you update the firmware and cut the diode for ISO? Not sure if you can run FF wires w/o updating the jb4 firmware and changing all recommended settings for ISO. I did mine all at once, without being ISO FF wires really aren't needed unless boosting more than 16 psi from what I understand. Also I had a similar issue when one of the pins on the job harness was slightly backing out and causing a CEL. Looked connected when I went over all the wiring but when I dis connected harness and pulled on wires individually I saw the loose pin. Hope that helps __________________ 2012 DCT 135i PURE S2 JB4/mhd Fuel-It! direct port meth injection check out my youtube channel here
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09-04-2014, 10:24 PM	#3
Nicky92 Fastest 335 on Earth 39 Rep 426 Posts Drives: 2008 335i Join Date: Feb 2014 Location: Levittown, NY iTrader: (0)	Yes i updated the firrmware and it was already iso. __________________ E92 335i, 6MT- YouWish Single turbo, Precision 6466, Doc Race intake manifold w/port injection, Precision Raceworks coil packs and Stage 3 lpfp, 3.46 geared Mfactory LSD, VRSF 3.5" single exhaust, Toyo R888Rs, Spec Stage 3+ clutch, DSS axles, RTD shifter, Motiv, boost box and flex fuel, WOTBOX, MOTIV tuned...and much more
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09-05-2014, 09:16 AM	#7
Sidewinderpb Banned 329 Rep 1,739 Posts Drives: 2017 340i xDrive 6mt Join Date: Nov 2013 Location: CT iTrader: (7)	Sounds like something isn't wired properly - or maybe the connections aren't clean. Are you positive that the diode was cut? Are you sure that you have the pin going through the correct hole?
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09-16-2014, 02:27 PM	#8
jseide36 Private 18 Rep 96 Posts Drives: 335i M-Sport Join Date: Oct 2013 Location: Long Island iTrader: (3)	bump
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09-16-2014, 04:03 PM	#9
JETmn Lieutenant Colonel 245 Rep 1,595 Posts Drives: 2011 335i xDrive Msport Join Date: Apr 2013 Location: Orlando iTrader: (0) Garage List 2011 335Xi [0.00]	What is the bump for, to get a resolution report?
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09-17-2014, 01:46 PM	#10
jseide36 Private 18 Rep 96 Posts Drives: 335i M-Sport Join Date: Oct 2013 Location: Long Island iTrader: (3)	no i bumped it for fun?
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09-19-2014, 08:39 AM	#13
jseide36 Private 18 Rep 96 Posts Drives: 335i M-Sport Join Date: Oct 2013 Location: Long Island iTrader: (3)	brains are better, why else would i bump something up other than for someone to see it to get an answer?
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09-19-2014, 05:55 PM	#14
Nicky92 Fastest 335 on Earth 39 Rep 426 Posts Drives: 2008 335i Join Date: Feb 2014 Location: Levittown, NY iTrader: (0)	bump __________________ E92 335i, 6MT- YouWish Single turbo, Precision 6466, Doc Race intake manifold w/port injection, Precision Raceworks coil packs and Stage 3 lpfp, 3.46 geared Mfactory LSD, VRSF 3.5" single exhaust, Toyo R888Rs, Spec Stage 3+ clutch, DSS axles, RTD shifter, Motiv, boost box and flex fuel, WOTBOX, MOTIV tuned...and much more
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09-19-2014, 11:36 PM	#15
mustangivore Second Lieutenant 33 Rep 236 Posts Drives: 2011 335i E90 Join Date: Nov 2013 Location: Asphalt iTrader: (0)	__________________ MHD Stage 2+ FBO
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09-20-2014, 12:29 AM	#16
FriedPiston Colonel 1972 Rep 2,711 Posts Drives: Scraper Join Date: Oct 2013 Location: East Oakland, CA iTrader: (26)	Contact jon@burgertuning.com for support
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