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drwillb drwillb is offline
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Default 02-04-2019, 02:05 PM

I'm in the same boat as rpat11: JB4 app shows 28A0 and 2C90 constantly.

28A0 started showing up this past December, when I disconnected the MAP sensor, but 2C90 has been around for over 2 years. Code 3166, which was constant, did go away when I disconnected the MAP sensor.

I saw Terry's post above stating to lower the value on setting #12 and I tried that. I went as low as 2200 and that seemed to work but a couple of days later the SEL was back. I figured I might as well lower setting #10 and tried that 2200 but that didn't make a difference, either. I made these changes in 200 increments hoping to see a change but that hasn't helped.

I do have a DV+ if that makes a difference.

Last edited by drwillb; 02-06-2019 at 04:49 AM..
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rpat11 rpat11 is offline
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Default 02-05-2019, 10:22 PM

Update and new question. The update is SEL still coming on intermittently. I took a trip 300 miles and no light, next day to return home, it came on 3 times. once when i started trip (engine cold), and twice during trip (engine hot). Never drove at high RPM's the whole time.

Question - I had this twice in last week. The Map 0 is set to 5 and Im running 93 Octane. On 2 occasions on highway when I gun it, it revs high, i go fast, then when i take foot of pedal, both the turn signals flash like when the engine is over 160, but in both cases the temp is showing at nearly 250, so its not the signal that the engine is warm. When I check the settings, Map 0 is now showing 4, instead of 5, so it changed itself. What does that mean?
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(#2628)
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 02-14-2019, 05:32 PM

Sorry forgot to check back here! Normally faster to email support for assistance as sometimes we miss the threads.

28A0 and 2C90 are caused by a variety of issues but most often menu10 or menu12 set too high building "too much" boost at low throttle.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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(#2629)
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drwillb drwillb is offline
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Default 02-14-2019, 07:26 PM

Quote:
Originally Posted by Terry @ BMS
28A0 and 2C90 are caused by a variety of issues but most often menu10 or menu12 set too high building "too much" boost at low throttle.
Terry, thanks for checking in.

Looking through a bunch of other threads, I had come to the same conclusion. I then dropped menu 10 and 12 to 2000 and still had the same codes pop up. I then dropped menu 11 to 2000 as well, thinking that too much throttle response might lead to a boost spike. That didn't help, either.

At that point, the car had lost any kind of snap since turbo lag had set in so I just put menu10 and 12 back to 2400 and menu11 back to 2800.

Very frustrating.



2012 135i Mods: air scoops, CP, BMS filter, PS1, ADE FMIC, BMW PE, JB4, 1M front body, full M3 suspension
Owned so far: 88 M3 x 2, 95 325is, 95 M3 x 2, 06 Mini Cooper S, 08 335 xi, 09 Z4 35i, 01 M3, 12 135i
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TimboN55 TimboN55 is offline
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Default New to N55 JB4 - 02-15-2019, 08:45 AM

How do I know if my jb4 is on the current firm ware? Also I am wanting to make 600 whp on a 2015 335i what is the best way to achieve this? PLEASE HELP
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(#2631)
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Payam @ BMS's Avatar
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Default 02-15-2019, 11:01 AM

Quote:
Originally Posted by TimboN55
How do I know if my jb4 is on the current firm ware? Also I am wanting to make 600 whp on a 2015 335i what is the best way to achieve this? PLEASE HELP
Upload a log, or just update to the latest firmware

Some of those bigboost kits are doing pretty well or a pure stage 2 will get you close to that power. You'll also need fueling modifications and other supporting mods.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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Default 02-16-2019, 07:40 PM

I just bought a jb4(harness A). Am I correct that it comes with the flex fuel connectors. I guess it would be the 3rd set of plugs??? Has a couple black wires coming from the plugs itself. Thank you.
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rpat11 rpat11 is offline
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Default 02-18-2019, 02:22 AM

Quote:
Originally Posted by Terry @ BMS
Sorry forgot to check back here! Normally faster to email support for assistance as sometimes we miss the threads.

28A0 and 2C90 are caused by a variety of issues but most often menu10 or menu12 set too high building "too much" boost at low throttle.
Terry, thanks for your response and I wanted to confirm just 1 thing. What are the right/default settings for Manu 10 and 12. Right now, and even before the firmware update, when the CEL issue started last month, I am at 2400 for Menu 10 and 3000 for Menu 12, and 1000 for Manu 11. I lowered Menu 10 to 2200 with no luck, so Im thinking I just want to make sure I am at least at the defaults for 10 and 12, so please let me know. BTW, happens 9-10 times when engine is cold (before 160 degrees), always when normal driving with low throttle and under 2500 rpm's. And as a reminder, i just took the intake manifold off for cleaning everything and am thinking I should have replaced all gaskets/seals, so I just ordered them and will do that next weekend just in case there is a leak or something. Im also replacing the vacuum tubes in case they were brittle and cracked from being moved around when I did all the work last month. I'll report back if that fixes anything but please do let me know I have the right/default settings for Menu's 10 and 12.
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Default 02-18-2019, 11:10 AM

Quote:
Originally Posted by Jroms135
I just bought a jb4(harness A). Am I correct that it comes with the flex fuel connectors. I guess it would be the 3rd set of plugs??? Has a couple black wires coming from the plugs itself. Thank you.
If it's a 3 wire plug, then yes. You can post a pic and I can verify.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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(#2635)
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Jroms135 Jroms135 is offline
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Default 02-25-2019, 01:57 PM

How do I know if my jb4 has the latest firmware??

UPDATE- I believe I figured it out. I checked some of my logs it said firmware 5/16/1. So I did a update with the latest firmware on the 1st page of this thread. Logs now say firmware 5/17/1. Is this the most recent firmware?? I noticed that water temp now works. Thanks guys.

Last edited by Jroms135; 02-25-2019 at 02:13 PM.. Reason: More information pertaining to post
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(#2636)
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Default 04-13-2019, 09:53 PM

Need a CSV log for any tuning advice... It already has settings so don't need setting photos.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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(#2637)
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Default 04-13-2019, 09:55 PM

As a reminder logs and help requests go in the support forum, not this general information thread.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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(#2638)
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Choyo_n55 Choyo_n55 is offline
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Default 05-28-2019, 11:21 PM

I apologize for the stupid question, but which menu resets the adaptations of afr and o2, 1/4 or 1/7 ... in the manual writes 1/4 but everyone talks about 1/7 ... thanks.
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(#2639)
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drwillb drwillb is offline
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Default 05-29-2019, 03:18 AM

1/4 resets adaptations


2012 135i Mods: air scoops, CP, BMS filter, PS1, N20 TMAP, ADE FMIC, BMW PE, JB4, 1M front body, full M3 suspension
Owned so far: 88 M3 x 2, 95 325is, 95 M3 x 2, 06 Mini Cooper S, 08 335 xi, 09 Z4 35i, 01 M3, 12 135i
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Choyo_n55 Choyo_n55 is offline
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Default 05-29-2019, 05:10 AM

Quote:
Originally Posted by drwillb
1/4 resets adaptations
10x
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(#2641)
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blupastu408w blupastu408w is offline
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Default 06-02-2019, 09:48 AM

Hello! If you're able to help that would be amazing! Either way, thanks for reviewing this.

I bought this car (2011 135i, fbo/jb4) a few months ago and have had nothing but issues. I have updated to the latest jb4 version. At first, the iat's we're not being shown in the datalogs. After unplugging/replugging all the jb4 connectors, I'm finally able to monitor IAT's but now I'm getting these codes:

2C58 No Description
2CA3 No Description

I'm finding conflicting information regarding these two codes, so that's why I'm emailing today. Many Google searches come back saying it's an issue with the jb4 or it's install. I've gone back over everything and I'm positive everything is plugged back in correctly.

I thank you for your time and much appreciate any assistance. At this point I'd be willing to pay for advanced support if it were available.

-Jason

P.S. much apologies if this is in the wrong section
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blupastu408w blupastu408w is offline
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Default 06-02-2019, 06:04 PM

Please disregard the above message. I found the issue to be bad jb4 jumpers/connectors. Tmap/MAF/wg solenoid jumpers were all terribly corroded. The wg solenoid jumper had pulled a pin out of the harness. Was able to clean everything up and reinstall (used dielectric grease this time). Issues seem to be resolved short term. Will report back
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Choyo_n55 Choyo_n55 is offline
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Default 06-03-2019, 08:53 AM

in my user adjustment writes that the jb4 firmware version is 5/15/1 can it update it directly with the last 5/17 / T5. Thanks
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Terry @ BMS's Avatar
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Default 06-03-2019, 08:55 AM

Yes, each firmware is fully independent.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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Choyo_n55 Choyo_n55 is offline
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Default 06-03-2019, 10:46 AM

Quote:
Originally Posted by Terry @ BMS
Yes, each firmware is fully independent.
Thank youn Terry
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Choyo_n55 Choyo_n55 is offline
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Default 09-11-2019, 06:14 AM

I read a lot of information about the e85, my car is a 2011 e90 n55 and without flex fuel wires, how much e85 can I use without being dangerous to the car? The car is an FBO.in the manual it says to use map 5 with mix e30, is that with or without flex fuel wires?


2011 e90 n55, vrsf down pipe,cp,fmic jb4,AT xhp stage3
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tboudre tboudre is offline
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Default 09-11-2019, 07:27 AM

Quote:
Originally Posted by Choyo_n55
I read a lot of information about the e85, my car is a 2011 e90 n55 and without flex fuel wires, how much e85 can I use without being dangerous to the car? The car is an FBO.in the manual it says to use map 5 with mix e30, is that with or without flex fuel wires?
I've got the same car. I run Map 5 all the time. E85 is available within 50 miles of my location, so I fuel up with it every time I'm near. It's been years since I installed the JB4, but I do believe I have the flex fuel wires and I don't think it was a very expensive option. I also have replaced my fuel line with a larger line in order to install an ethanol sensor. Stock fuel pump. All that being said, I fill up with straight E85, where my E85 is about 65% according to my sensor. I've never had any problems with that. The risk is that you don't get enough pressure on the fuel rail and run lean or sputter under high acceleration. Running lean would make you run hot. When I first installed the new fuel line & JB4 I would put higher and higher concentrations mixing the E85 with regular gas until I had straight E85 and hadn't had any symptoms of starving fuel. Just lately I've had some symptoms as such, but they didn't coincide with running E85, but possibly after running the stock fuel pump in this configuration for 5 years it's time for a new fuel pump.

All that being said, I don't think there would be a catastrophic failure on any vehicle from running E85. Since the energy density is lower in ethanol, you might have some symptoms of starving fuel under heavy throttle, but just go easy on it & dilute with no ethanol fuel as you get room in the tank.

Oh, one more thing. Without additional mods, you really don't gain much performance over 40% ethanol, you just burn through a lot of fuel. So, typically I'll fill up the E85 when I'm near that gas station, then about 1/2 tank top off with regular & the performance stays about the same thru the end of that tank.


2011 335i xDrive ///M-Sport LeMans Blue Navigation iDrive 15% Tint N55 E90 - BMS Intake, Le Mans Blue Grilles, Le Mans Blue Rear Diffuser, Alpina B3 TCU Flash, Misc Coding, Matte Black Badge, Gloss Black Exhaust Tips, Blue Calipers*, VRSF Charge Pipe*, Cyba Scoops*, JB4 ISO 5.5, Sport Oil Cooler Valve, FlexFuel (Fuel Rail Pressure) Wires, GoFastBits DV+, Ethanol Content Sensor - No problems up to E70 fuel mix
* Painted 7251 Cobalt Blue Metallic - Matches LeMans Blue

Last edited by tboudre; 09-11-2019 at 07:30 AM.. Reason: P.S.
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Choyo_n55 Choyo_n55 is offline
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Default 09-11-2019, 10:38 PM

Quote:
Originally Posted by tboudre
I've got the same car. I run Map 5 all the time. E85 is available within 50 miles of my location, so I fuel up with it every time I'm near. It's been years since I installed the JB4, but I do believe I have the flex fuel wires and I don't think it was a very expensive option. I also have replaced my fuel line with a larger line in order to install an ethanol sensor. Stock fuel pump. All that being said, I fill up with straight E85, where my E85 is about 65% according to my sensor. I've never had any problems with that. The risk is that you don't get enough pressure on the fuel rail and run lean or sputter under high acceleration. Running lean would make you run hot. When I first installed the new fuel line & JB4 I would put higher and higher concentrations mixing the E85 with regular gas until I had straight E85 and hadn't had any symptoms of starving fuel. Just lately I've had some symptoms as such, but they didn't coincide with running E85, but possibly after running the stock fuel pump in this configuration for 5 years it's time for a new fuel pump.

All that being said, I don't think there would be a catastrophic failure on any vehicle from running E85. Since the energy density is lower in ethanol, you might have some symptoms of starving fuel under heavy throttle, but just go easy on it & dilute with no ethanol fuel as you get room in the tank.

Oh, one more thing. Without additional mods, you really don't gain much performance over 40% ethanol, you just burn through a lot of fuel. So, typically I'll fill up the E85 when I'm near that gas station, then about 1/2 tank top off with regular & the performance stays about the same thru the end of that tank.
The price is not a problem, but my location, I am from Eastern Europe, and things are hard to come from here in America. How can I check if I still have flex fuel wires? I was thinking of starting with the e25 mix and following the logs ... we don't have e85 but pure ethanol is 99.8%. Thanks for the advice!


2011 e90 n55, vrsf down pipe,cp,fmic jb4,AT xhp stage3
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Drm92 Drm92 is offline
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Default Update - 11-17-2019, 05:37 PM

Hi ,

Wanting to update the firmware in my jb4
I have a 2011 335i n55.
Can someone please give me the link for the correct and newest update.

Cheers
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(#2650)
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Drm92 Drm92 is offline
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Default 11-17-2019, 08:05 PM

So I just updated my firmware to

https://www.n54tech.com/forums/attac...3&d=1531067457

Everything has worked fine but i cannot access the jb4 menu from my steering wheel controls?
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