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Leon@86 Leon@86 is offline
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Default 09-20-2020, 04:56 AM

So no feedback an this bug on revision 15? Feel robbed now because I bought a feature that I cant use. NLS not functioning either. Please can anyone give feedback!
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brendan's Avatar
brendan brendan is offline
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Default 09-20-2020, 06:49 PM

Yea my 2 step does not work still.

I someone could explain the new settings and firmware to get it working again that would be appreciated.
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(#1053)
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Leon@86 Leon@86 is offline
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Default 10-16-2020, 04:07 AM

Sooooo, still no feedback as to rectifying this issue?
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brendan brendan is offline
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Default 10-16-2020, 04:08 PM

The only way to control the engine is with an aftermarket ecu.

I have had everything working then next drive out they dont.

My boost by gear wont work.
Antilag works but timing stays retarded until I change gear. Defeats the whole purpose.
afr and portinjection flow not stable or contrable enough.

Once you get to a certain level jb4 can only do so much.
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(#1055)
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Leon@86 Leon@86 is offline
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Default 11-23-2020, 09:48 AM

Can anyone please shed some light on what is going on with the issue on the 2 step not working anymore after firmware update?
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 11-23-2020, 10:38 AM

No known issues so post up a JB4 log if you need assistance. If using a 2step make sure you have the latest v15 update for twin or v139 for single turbo.


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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Leon@86 Leon@86 is offline
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Default 11-24-2020, 09:44 AM

There are multiple people a couple of posts back complaining about the same issue.

I dont understand what must I make a log of.... The 2-step with anti lag integration used to work, I did the update to v15 and it stopped working. One guy reverted back to v14 and it was good again, but this did not work for me.

As I stand now, no 2-step stand-alone or integrated and no NLS.
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 11-24-2020, 10:47 AM

What isn't happening exactly that used to be happening?

If there was a firmware problem it would effect ALL users of that firmware not just one car for example. For example firmware older than v15 requires a clutch wire we no longer offer so anyone running 2STEP relay without a clutch wire needs v15 or newer firmware or it won't work.

If 2step/NLS isn't working at all for you, perhaps your 2step relay has failed?


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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(#1059)
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Leon@86 Leon@86 is offline
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Default Yesterday, 05:16 AM

Ok thanks Terry.

I will check the relay, just found it strange it stopped working only when did v15 update.
But I do understand what you are saying. It is strange only few cars are effected. especially AnilKram had the issue after update, then after going back to v14 it was fixed.

Will check relay and report back.
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