JB4tech.com - International Turbo Tuning Discussion
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robc1976's Avatar
robc1976 robc1976 is offline
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Default 07-20-2013, 12:24 PM

Quote:
Originally Posted by BEAR-AvHistory
24C is arrest me smooth. Just got my car back from BMW. Went in for the battery cable recall, they also updated the ECU software & put in a new HPFP all on Warranty.

Got the JB4/G5/ISO back in this morning, loaded 24C & went for a test drive. Have a long straight flat approach to my exit of the interstate. Went to WOT on the exit & was thinking the car is kind of slow.

Then I looked down & it was passing through 125mph. Had an old timers memory fart & forgot I started at 80mph. The push was so smooth it did not feel seat of the pants that it was accelerating that quickly.
Exact reason people "think" the G4 is faster than the G5 but it isn't.


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Ramjet Ramjet is offline
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Default 07-20-2013, 04:52 PM

24B was a HUGE improvement for me, so far not felt much difference with 24C and actually thought 24B may be better - but that is probably in my mind due to the fact that 24B gave me such a big improvement.


E89 N54 / ***** / RB Turbos / AFE DCI / HPF FMIC / Stett CP / Forge DV's / AR Cattless DP's / BMS OCC / RB PCV2 / BMS Spacers
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(#7053)
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DanL DanL is offline
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Default 07-20-2013, 05:24 PM

Quote:
Originally Posted by Ramjet
24B was a HUGE improvement for me, so far not felt much difference with 24C and actually thought 24B may be better - but that is probably in my mind due to the fact that 24B gave me such a big improvement.
I'm now having stumbling and surging issues around 2100-2300 RPMs with 24C, something I didn't notice with 24B. I may go back to 24B after capturing some logs and e-mailing them to Terry.


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(#7054)
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Russell @ BMS's Avatar
Russell @ BMS Russell @ BMS is offline
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Cool 07-20-2013, 08:57 PM

Quote:
Originally Posted by BEAR-AvHistory
Had an old timers memory fart & forgot I started at 80mph.
Been there.....done that.............thought that.............................................. .................................................. ..................................I think????


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(#7055)
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AWil335i AWil335i is offline
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Default 07-21-2013, 06:52 AM

My car didn't like 24b but 24c seems to be silky smooth.


07 E92 335I | JB4 G5 ISO | BMS E85 Flash | DCI | BMS *** | Helix FMIC | Alpina TCU Flash | Walbro GLS392 | E70 | 429rwhp/474rwtq

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(#7056)
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Jnat Jnat is offline
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Default 07-21-2013, 08:23 AM

With this platform having at least three different transmissions, does the JB adjust differently (ie: torque request, throttle input ect?) based on that (knowing that it does not have direct control of tranny)?


09 335XI /Cobb ATR TUNED 18.5 psi/DCI/2ND ***** '''''''/E20/Alpina/VRSF 7inch/VRSF Chargepipe with Tial BOV***
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(#7057)
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Cube Cube is offline
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Default Request about BMW Performance steering wheel - 07-21-2013, 12:19 PM

Hi Terry, do you think would be possible add a feature to turn on the Performance steering wheel at engine startup? something as feature "toggle on/off DTC push at startup"
Is very annoying every time turn on the steering wheel

many thanks
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(#7058)
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Jnat Jnat is offline
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Default 07-21-2013, 01:22 PM

I just tried 24C again and this time I have had success, the curious side of me wonders why my car no likey and now likey's? I took for about a 15 mile ride and shifts were fine which was not the case previously with 22-24 hex's. Scratch that, drove to work and home today, those pesty shift issues are back (really bad on 34 shift), gonna go back to 21 hex, bummer (ps: this is under light throttle)!


09 335XI /Cobb ATR TUNED 18.5 psi/DCI/2ND ***** '''''''/E20/Alpina/VRSF 7inch/VRSF Chargepipe with Tial BOV***

Last edited by Jnat; 07-27-2013 at 06:04 PM..
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(#7059)
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 07-24-2013, 08:54 AM

Version feedback removed. Put it in the proper forum or email if you want me to review or assist.

But just as a reminder there are zero full throttle differences between the latest versions.


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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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Default 07-24-2013, 08:59 AM

Quote:
Originally Posted by Terry @ BMS
Version feedback removed. Put it in the proper forum or email if you want me to review or assist.

But just as a reminder there are zero full throttle differences between the latest versions.
Yep, emailed you the CSV files. I didn't run WOT. It was low end response testing as per my comments.


E89 N54 / ***** / RB Turbos / AFE DCI / HPF FMIC / Stett CP / Forge DV's / AR Cattless DP's / BMS OCC / RB PCV2 / BMS Spacers
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(#7061)
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suii suii is offline
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Default 07-24-2013, 12:27 PM

Just updated to 24C and the car is running AMAZING !!! Finally have all the oscillating RPM issues solved and just seems to shift beautifully again as well

THANK YOU TERRY !!!
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(#7062)
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DanL DanL is offline
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Default 07-27-2013, 02:59 PM

I flashed back to 24B nearly a week ago since my car didn't seem to like 24C for some reason. The car runs beautifully with 24B -- lots of power even down low and silky smooth. I'm not sure why it doesn't like 24C but one thing I do know -- G5 ISO is lightyears ahead of G4. Best $150 I've spent on my car.


2010 535i M Sport - Platinum Gray/Dakota Black/Anthracite Bamboo
Premium, Value, Cold Weather, Sport Auto, Navigation, Satellite, Logic 7, Comfort Access, Park Distance, Fold Down Rear Seats, Heated Rear Seats, Rear Side Airbags, JB4 G5 ISO, BMS DCIs, ER Charge Pipe, Proform Clear Bra, LUX H8 160 LED angel eyes
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(#7063)
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Terry @ BMS's Avatar
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Default 07-28-2013, 10:30 AM

Support stuff moved to support section. When making support requests in the support section be sure to include a CSV datalog and the exact codes thrown which can be read via the JB4.


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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(#7064)
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albertc albertc is offline
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Default 07-29-2013, 07:39 PM

need help, my computer wont connect to the jb4, any suggestion? only thing I can think about that somehow broke, I even ordered a new USB cable thinking that it was the problem since it got damage when my laptop fell to the floor while breaking fast after a race ...


JB4 flash with JB4, 4.0 bar sensor, DocR 6870, Race InterC, FuelIT stage 3 (525), Helix OverDrv 3x, Phoenix Intake with PI (750cc) with BMS controller, PrRW coil pack kit, WaveTrc Diff. E85
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(#7065)
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Russell @ BMS's Avatar
Russell @ BMS Russell @ BMS is offline
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Cool 07-29-2013, 08:04 PM

Quote:
Originally Posted by albertc
need help, my computer wont connect to the jb4, any suggestion? only thing I can think about that somehow broke, I even ordered a new USB cable thinking that it was the problem since it got damage when my laptop fell to the floor while breaking fast after a race ...

Borrow a friends computer and try that.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, 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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(#7066)
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007_e350 007_e350 is offline
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Default changed default WG position - 07-29-2013, 09:07 PM

it was 80, changed it to 10 - i think it improved lag, pls advise if right thing to do - attached a snapshot
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(#7067)
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albertc albertc is offline
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Default 07-29-2013, 09:15 PM

Quote:
Originally Posted by az335iat
Borrow a friends computer and try that.
This is the second laptop I'm using, the first you was showing that the the device was malfunctioning and the one I'm using it connect in comp 6 but the it fail to connect in the interface


JB4 flash with JB4, 4.0 bar sensor, DocR 6870, Race InterC, FuelIT stage 3 (525), Helix OverDrv 3x, Phoenix Intake with PI (750cc) with BMS controller, PrRW coil pack kit, WaveTrc Diff. E85
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(#7068)
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007_e350 007_e350 is offline
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Default 07-29-2013, 09:43 PM

Quote:
Originally Posted by albertc
This is the second laptop I'm using, the first you was showing that the the device was malfunctioning and the one I'm using it connect in comp 6 but the it fail to connect in the interface
really? go to device manager and see which comp usb its connected to, then match that in jb4 settings
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albertc albertc is offline
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Default 07-29-2013, 09:45 PM

been doing that for about 2 years since I got the tune


JB4 flash with JB4, 4.0 bar sensor, DocR 6870, Race InterC, FuelIT stage 3 (525), Helix OverDrv 3x, Phoenix Intake with PI (750cc) with BMS controller, PrRW coil pack kit, WaveTrc Diff. E85
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007_e350 007_e350 is offline
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Default 07-29-2013, 09:49 PM

Quote:
Originally Posted by albertc
been doing that for about 2 years since I got the tune
replace usb cable, I know mine is bent pretty bad thru that little firewall hole
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(#7071)
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albertc albertc is offline
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Default 07-29-2013, 09:59 PM

Like I said b4, I just did cuz I thou it was the cable


JB4 flash with JB4, 4.0 bar sensor, DocR 6870, Race InterC, FuelIT stage 3 (525), Helix OverDrv 3x, Phoenix Intake with PI (750cc) with BMS controller, PrRW coil pack kit, WaveTrc Diff. E85
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007_e350 007_e350 is offline
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Default 07-30-2013, 08:09 AM

Quote:
Originally Posted by 007_e350
it was 80, changed it to 10 - i think it improved lag, pls advise if right thing to do - attached a snapshot
Anyone ?

I tried to play with it today

At 0.5 (Speedo = 10 :: RPM = 0.5) the lag improved dramatically but I lost > 60 mph

At 2 the lag was not bad but >80 mph isn't like before

can someone paste their settings that work great overall
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(#7073)
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triggz triggz is offline
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Default 07-30-2013, 12:40 PM

I don't understand why people think this is the support section. So annoying


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(#7074)
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Vertigo Vertigo is offline
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Default 07-30-2013, 12:42 PM

Quote:
Originally Posted by 007_e350
Anyone ?

I tried to play with it today


TMI...


2008 335i stock
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Vertigo Vertigo is offline
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Default 07-30-2013, 12:47 PM

Quote:
Originally Posted by Terry @ BMS
That is a good idea. I'll add it to menu 15 next time I'm in there.
Why would it try and hit 20lbs? If the octane isn't there shouldn't it auto tune down to safe boost levels?


2008 335i stock
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