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Default 2 step issues - 08-11-2019, 06:50 AM

So I put the 2 step relay in and when I put it in first clutch all the way in and floor it, you can tell it trying to limit the engine however it powers through then gives me all sorts of codes. If itís not in first or clutch isnít in will rev fine, it only pops all of these codes once I try and use it, more or less want NLs. Running E85 with E85 BEF, and a 7th injector from fuel it
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07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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N54mistakes N54mistakes is offline
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Default 10-20-2019, 10:09 AM

Having same kind of problem did you sort this out?
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Default 10-20-2019, 02:38 PM

Quote:
Originally Posted by N54mistakes
Having same kind of problem did you sort this out?
No not yet, I just disconnected it thatís it


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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N54mistakes N54mistakes is offline
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Default 10-20-2019, 02:44 PM

I figured it out.

your jb4 power wire is swapped with red relay wire -_- just

You get those codes also because your antilag chip is bad or you dont have the connectors in for it. Black long connector pin 17 should have a jumper
now i fixed it i was getting exact same codes
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Default 12-19-2019, 11:19 AM

Quote:
Originally Posted by N54mistakes
I figured it out.

your jb4 power wire is swapped with red relay wire -_- just

You get those codes also because your antilag chip is bad or you dont have the connectors in for it. Black long connector pin 17 should have a jumper
now i fixed it i was getting exact same codes
So I did have the relay wires I the middle of the mess, I moved it to the end of the bundle after the JB4 power, Bluetooth, meth and port injection. However still having issues.

Checked wiring, when I punch the clutch in I get the 14v when itís out I get 0v, however on the wire coming out of the DB9 itís always got 14v?
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07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-19-2019, 12:09 PM

Wiring bundle
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07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-19-2019, 04:01 PM

Ok so I did have the relay on the wrong orange wire, however no dice when I try and use it!
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07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-19-2019, 04:59 PM

Is there a JB4 setting I’m missing? I have the E85 BEF


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-19-2019, 09:44 PM

Whatís your auto shift boost reduction set to under user adjustment settings?

Set it to 0 and retest.
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Default 12-20-2019, 04:11 AM

Quote:
Originally Posted by WoahAngelo
Whatís your auto shift boost reduction set to under user adjustment settings?

Set it to 0 and retest.
Already 0


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-20-2019, 10:44 PM

After the retest, still no good?


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

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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N54mistakes N54mistakes is offline
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Default 12-21-2019, 12:38 AM

Quote:
Originally Posted by Wrecker 426
Already 0
Broo im 100% sure your wiring has issue. I looked over my wiring like 7 8 times and after that i realised that it was not properly wired. Problem is theres no good youtube video explaining how to install 2step with antilag. I remember making a simple video if i find it ill upload it and send u a link. Its confusing with the 2 red and orange wires.
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Default 12-21-2019, 12:48 AM

Quote:
Originally Posted by Wrecker 426
Already 0
Check inbox hope it helps.
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Default 12-21-2019, 12:51 AM

Quote:
Originally Posted by Wrecker 426
Already 0
Check inbox hope it helps.
If you get 2step or antilag working its a good sign
Those codes mean your car is trying to 2step but something is stopping it. If your settings are wrong it will just rev to the sky and do nothing at all
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Default 12-21-2019, 09:58 AM

Quote:
Originally Posted by N54mistakes
Check inbox hope it helps.
If you get 2step or antilag working its a good sign
Those codes mean your car is trying to 2step but something is stopping it. If your settings are wrong it will just rev to the sky and do nothing at all
Does the car have to be warm? Or will it two step shortly after a cold start? My anti lag (down I the volume works and has worked for a long time)


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-21-2019, 09:58 AM

Quote:
Originally Posted by Dave @ BMS/Fuel-It!
After the retest, still no good?
Itís was originally set to 0, so there was no change. Iím going to video my wiring and post it up


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-21-2019, 10:19 AM

Quote:
Originally Posted by Wrecker 426
It’s was originally set to 0, so there was no change. I’m going to video my wiring and post it up
For flames you have to enable
Settings>wmi> DTML WMI input. Appreantly it was mislabled in the firmware it says it on the update page thats how i shoot flames and when u disable it no flames.


Also set correct rpm in menu 8 on cluster jb4 settings

Last edited by N54mistakes; 12-21-2019 at 10:20 AM.. Reason: Adding more info
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Default 12-21-2019, 01:48 PM

https://youtu.be/zJey9lbihY4

This is my wiring


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-24-2019, 12:16 PM

Quote:
Originally Posted by N54mistakes
For flames you have to enable
Settings>wmi> DTML WMI input. Appreantly it was mislabled in the firmware it says it on the update page thats how i shoot flames and when u disable it no flames.


Also set correct rpm in menu 8 on cluster jb4 settings
I have/had this enabled


07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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Default 12-31-2019, 02:32 PM

Is the anti bog fix under FUD enabled by any chance?

Did some testing today and found that disables the two step function.
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Default 01-02-2020, 06:17 AM

Quote:
Originally Posted by WoahAngelo
Is the anti bog fix under FUD enabled by any chance?

Did some testing today and found that disables the two step function.
That was definitely the problem, so many hours spent on the wiring checks.

So in the picture green disables it.

If red is active you have to use the volume stitch at a stop, if you turn that off it 2 steps always
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07' 335xi, VTT Stage 2, Meth CM10, Stage 2 LPFP pri, walbro 525 LPFP 2nd, JB4 E85 BEF, VRSF exhaust, Phoenix Race IC, MMP AL inlets, VTT AL Outlet, PR Coils, Fuel-IT CPI 950cc, Manual swapped, SMF Spec Twin disk
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WoahAngelo WoahAngelo is offline
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Default 01-03-2020, 11:20 PM

From what I understand, the JB4 actively shields the clutch signal when the bog fix is enabled. Since the clutch signal is one of the 2 step triggers and the bog fix messes with that signal, it messes with the whole 2 step system.

Blocking antilag on brake being enabled or not will not affect the 2 step operation. It only applies to the antilag system.

Remember;
Anti-lag = retards timing
2 step/NLS = cuts ignition

The DTML WMI input being enabled will integrate the two, meaning if the anti-lag is activated it will also activate ignition cut in certain situations and if 2 step is on, it will also turn on anti-lag by retarding timing.

For reference:
2 step system triggers
- clutch signal (must be on)
- gas pedal signal (must be 100%)
- vehicle speed (0 = 2 step, >0 = NLS)

Antilag triggers
- gas pedal signal (must be 100%)
- brake pedal signal (must be on) OR volume down signal (must be on)
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