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Default BMS tell us more about the JB4 S63TU V2 system (with twin bank boost control) - 01-28-2018, 08:03 AM

Terry/BMS tells us more about the JB4 S63TU V2 system (with twin bank boost control)

Can we upgrade from JB4 v1/BCM? what are the main improvements?


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Default 01-28-2018, 09:22 AM

In one of the threads we've already discussed the changes. Basically, the new V2 board allows the JB4 to control the wastegate in each side of the engine independently. Previously, the JB4 could only apply the same WGDC offset to both sides of the engine. If your engine banks were perfectly balanced from the factory no problem. But when you push boost up higher, frequently we find they are not perfectly balanced. So you wind up leaving some performance on the the table as the JB4 tunes boost to the highest of either reading.

This also opens up some additional functions like the ability for direct (ISO) boost contorl down the road, the ability to control much larger twin turbo kits like we saw recently with Ram's 1000whp dyno, etc.

The BCM wiring is also integrated in to the main harness now which cleans up the install.

If you bought your JB4 directly from BMS or an authorized reseller (and have the receipt under your name) we'll let you upgrade for $200 + shipping. Which includes a new JB4 V2 board and an integrated BCM wiring harness that plugs in to your existing harness. We ask after the swap you mail back your old V1 board so we can recycle it.

If you bought the JB4 second hand there is no upgrade path.


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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 01-28-2018, 09:48 AM

Quote:
Originally Posted by Terry @ BMS
In one of the threads we've already discussed the changes. Basically, the new V2 board allows the JB4 to control the wastegate in each side of the engine independently. Previously, the JB4 could only apply the same WGDC offset to both sides of the engine. If your engine banks were perfectly balanced from the factory no problem. But when you push boost up higher, frequently we find they are not perfectly balanced. So you wind up leaving some performance on the the table as the JB4 tunes boost to the highest of either reading.

This also opens up some additional functions like the ability for direct (ISO) boost contorl down the road, the ability to control much larger twin turbo kits like we saw recently with Ram's 1000whp dyno, etc.

The BCM wiring is also integrated in to the main harness now which cleans up the install.

If you bought your JB4 directly from BMS or an authorized reseller (and have the receipt under your name) we'll let you upgrade for $200 + shipping. Which includes a new JB4 V2 board and an integrated BCM wiring harness that plugs in to your existing harness. We ask after the swap you mail back your old V1 board so we can recycle it.

If you bought the JB4 second hand there is no upgrade path.
Do you recommend your customers pushing 800whp max/stock turbos to upgrade now or the benefits listed are not significant enough without huge turbos?


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Default 01-28-2018, 09:51 AM

I think the upgrade is a good idea for anyone with WMI or trying to push huge power numbers, definitely. For the average map1 or map2 customer, probably not worth it. The major annoyance with upgrading is accessing those damn solenoid connectors under the intercooler.


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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 01-29-2018, 12:23 PM

Just ordered mine. Looking forward to fitting and testing


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Default 01-29-2018, 01:22 PM

Quote:
Originally Posted by V8MUNRO
Just ordered mine. Looking forward to fitting and testing
Nice def give us your feedback as I use map 8 often to race on the street....especially hellcats


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Default 01-29-2018, 01:27 PM

Im pretty happy with v1 but an upgrades an upgrade lol


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Default 01-29-2018, 10:53 PM

Quote:
Originally Posted by Terry @ BMS
I think the upgrade is a good idea for anyone with WMI or trying to push huge power numbers, definitely. For the average map1 or map2 customer, probably not worth it. The major annoyance with upgrading is accessing those damn solenoid connectors under the intercooler.
Is it therefore correct in saying that V1 without the use of the standalone BCM is identical to V2 without the integrated BCM being connected?
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Default 01-30-2018, 09:00 AM

Effectively yes, although physically we also added some additional inputs and areas for future expansion on the V2 board. But nothing you would use if you didn't first install the BCM wires.


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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 01-30-2018, 11:48 AM

Quote:
Originally Posted by Terry @ BMS
In one of the threads we've already discussed the changes. Basically, the new V2 board allows the JB4 to control the wastegate in each side of the engine independently. Previously, the JB4 could only apply the same WGDC offset to both sides of the engine. If your engine banks were perfectly balanced from the factory no problem. But when you push boost up higher, frequently we find they are not perfectly balanced. So you wind up leaving some performance on the the table as the JB4 tunes boost to the highest of either reading.

This also opens up some additional functions like the ability for direct (ISO) boost contorl down the road, the ability to control much larger twin turbo kits like we saw recently with Ram's 1000whp dyno, etc.

The BCM wiring is also integrated in to the main harness now which cleans up the install.

If you bought your JB4 directly from BMS or an authorized reseller (and have the receipt under your name) we'll let you upgrade for $200 + shipping. Which includes a new JB4 V2 board and an integrated BCM wiring harness that plugs in to your existing harness. We ask after the swap you mail back your old V1 board so we can recycle it.

If you bought the JB4 second hand there is no upgrade path.
Is this new V2 work on n63tu?


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Default 01-30-2018, 11:53 AM

No, S63TU only.


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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 01-31-2018, 10:05 PM

Quote:
Originally Posted by V8MUNRO
Im pretty happy with v1 but an upgrades an upgrade lol
There is major power to be gained once you can balance boost across banks. Albeit at higher boost levels but I gained nearly 100whp and 100wtq peak at the SAME boost just matching both sides.

This along with the new firmware will result in significant improvement!
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Default 02-01-2018, 01:28 AM

Thats pretty epic. If i gained 30bhp id be happy


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Default 02-06-2018, 05:28 AM

Quote:
Originally Posted by allmotor_2000
There is major power to be gained once you can balance boost across banks. Albeit at higher boost levels but I gained nearly 100whp and 100wtq peak at the SAME boost just matching both sides.

This along with the new firmware will result in significant improvement!
This gain (nearly 100whp and 100wtq) is from stock or JB4 - stage 1 or JB4-stage 2 to V2 ?..any logs ? thanks
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Default 02-06-2018, 09:06 AM

That will be from the jb4 v1 board to v2 board, his car is alittle but special those though with a forged engine, trashcan size turbos, and a long list of other mods. Putting out over 1000whp


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Default 02-06-2018, 09:32 AM

Quote:
Originally Posted by sabujan
This gain (nearly 100whp and 100wtq) is from stock or JB4 - stage 1 or JB4-stage 2 to V2 ?..any logs ? thanks
He's talking about a more extreme position where one turbo is making a lot less boost than the other. And these are large turbos not factory. I would not expect most on stock turbos to pickup more than 20-30hp by balancing the banks. And in some cases they are perfectly balanced with V1. It's sort of luck of the draw on that. The V2 gives us the extra flexibility to correct any adjustment issues on the turbos via the PID system.


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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 02-06-2018, 02:55 PM

Can a difference in banks be logged through either v1 or v2?


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Default 02-07-2018, 01:58 AM

Quote:
Originally Posted by Terry @ BMS
He's talking about a more extreme position where one turbo is making a lot less boost than the other. And these are large turbos not factory. I would not expect most on stock turbos to pickup more than 20-30hp by balancing the banks. And in some cases they are perfectly balanced with V1. It's sort of luck of the draw on that. The V2 gives us the extra flexibility to correct any adjustment issues on the turbos via the PID system.
thanks Terry - well explained....whats the difference between 1.5 and 1.7
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Default 02-07-2018, 09:51 AM

For firmware whatever info we want to share we post with the firmware notes.


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Default 02-08-2018, 11:00 AM

Quote:
Originally Posted by Terry @ BMS
I think the upgrade is a good idea for anyone with WMI or trying to push huge power numbers, definitely. For the average map1 or map2 customer, probably not worth it. The major annoyance with upgrading is accessing those damn solenoid connectors under the intercooler.
Or you can sell this boost solenoid extension
Do you think maybe in the future we can adapt this V2 in to n63tu?
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Default 02-12-2018, 09:50 AM

You could make an extension if you want to rig up some sort of quick connect bypass thing, or just add connectors to the solenoid wires directly to allow you to loop the wires if needed.


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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 02-12-2018, 10:15 AM

So my v2 board arrived today and within an hour or somit was all wired up and ready to go. Done a little test to make sure its boosting correctly and meth is flowing and all seems good. Ive also loaded another dme map that has less aggressive timing (i hope) so i will be taking the car out tonight to log a couple 4th gear pulls. Pulling the chargecooler is no big deal really its just two bolts, two clamps and two hoses.


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Default 02-12-2018, 10:48 AM

Can anyone write up a quick step by step process with pics to upgrade from v1 to v2?


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Default 02-12-2018, 10:58 AM

I cant include pics but ill try to detail as well as i can. This is how i done it so maybe better or easier ways.

1) remove charge cooler and unplug the old bcm harness from the boost solenoid unit replacing with new harness included with v2. I did one at a time so i didnt mix up the cables.

2) refit chargecooler and refill

3) take of the jb4s billet case, remove plug and connect the new wiring into the jb4s plug as such:
Black wire goes to pin#10
Red wire goes to pin #22

Blue wire goes to pin #11
Brown wire goes to pin #23

Green wire goes to pin #19
Purple wire goes to pin#20

4)remove the old blue wire in the plug coming from the external bcm (goes into pin 1) i depinned from the plug

5) reattach plug to jb4 and put back into billet case

5) your bcm should now only be attached to the car by the ground wire, remove this from the car and replace with the new ground (black).

6) fire up the car and input your settings again

I hope this helps


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Default 02-12-2018, 03:42 PM

tested the new jb4 tonight, its still adapting massively but quite interesting to see the second turbo in the logs now and its getting closer but at first was about 2psi off the other one


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