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Ryan81789 Ryan81789 is offline
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Default Jb4 help - 04-09-2019, 01:51 PM

Can anyone take a look at my logs and tell me how to use the jb4 better for tuning? Where do I find the latest firmware to update my jb4?

2009 bmw 335i xdrive. Jb4, dual cone intake, sport intercooler, down *****, all cats are removed, stage 3 fuel it LPFP, VTT GC hybrid twin turbo kit
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File Type: csv 2018-01-04 20_11_26.csv (10.4 KB, 51 views)
File Type: csv 2018-01-04 20_31_05.csv (10.8 KB, 48 views)
File Type: csv 2018-01-04 20_32_16.csv (10.9 KB, 49 views)
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Default 04-09-2019, 10:49 PM

N54 BimmerBoost MHD Back End Flash Maps - N54Tech.com - International Turbo Racing Discussion

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Let’s get your JB4 firmware updated & you’ll want to flash the right hybrid BEF


Burger Motorsports
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Default 04-09-2019, 11:41 PM

Latest JB4 Firmware
Update to latest JB4 Firmware

Flash the appropriate BEF for your mods as noted above (link in previous post)

Set all settings to default found in post #1
Hybrid Turbo Setup Directions


07 E90 AT - xHP
JB4 G5 - Trebila BEF
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Default Updated firmware - 04-10-2019, 03:29 AM

I updated firmware last night. Here is a new log from after I updated. What flash do I need to get?
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File Type: csv 2019-04-09 22_45_57_Map-5.csv (8.4 KB, 55 views)
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Talking 04-10-2019, 07:13 AM

Quote:
Originally Posted by Ryan81789
I updated firmware last night. Here is a new log from after I updated. What flash do I need to get?
Choose one from the link Dave provided.....if you are running just pump gas start with that. Make sure you flash the appropriate one (when you connect to mhd itíll tell you which dme you have) most likely IJE0S but double check!!!

Set ALL settings to default in the link I provided in the post earlier!

Read that whole post

Start with map 2
Post a proper log
3rd gear 2k - 7k wot traction off
Post it - wait for feed back


07 E90 AT - xHP
JB4 G5 - Trebila BEF
FBO
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Default 04-10-2019, 09:42 PM

Quote:
Originally Posted by Ryan81789
I updated firmware last night. Here is a new log from after I updated. What flash do I need to get?
Choose the appropriate flash for your fuel & mods.

If you donít have hybrid turbos or a single- ignore anything with ďSTĒ or ďhybridĒ in it.

Iíd assume your stock turbo- so pump flash if using 93 to e30ish


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

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Default 06-12-2019, 07:35 PM

I recently had the mhd e85 hybrid turbo bef put on my car. Took a log tonight from 2k-7k rpm if anyone can look at it. Any help is appreciated
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File Type: csv 2019-06-12 22_20_09_Map-2.csv (9.8 KB, 46 views)
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Default 06-12-2019, 09:30 PM

You still havenít set all to default from post 3 in this thread


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Default 06-13-2019, 10:46 AM

Quote:
Originally Posted by Ryan81789
I recently had the mhd e85 hybrid turbo bef put on my car. Took a log tonight from 2k-7k rpm if anyone can look at it. Any help is appreciated
What are you using for fuel? HPFP looks to be getting a bit low / taxed.

I think your LPFP sensor is shot- that value stays pegged @ 48- I'd look into replacing.


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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Default 06-13-2019, 09:15 PM

Quote:
Originally Posted by Dave @ BMS/Fuel-It!
What are you using for fuel? HPFP looks to be getting a bit low / taxed.

I think your LPFP sensor is shot- that value stays pegged @ 48- I'd look into replacing.
I run e85/93 mix, about an e45 mixture. I took another log tonight with the default hybrid turbo settings.
Attached Files
File Type: csv 2019-06-14 00_09_01_Map-2.csv (34.1 KB, 44 views)


2009 bmw 335ix, jb4, dual cone intake, down pipe, sport intercooler, stage 3 lpfp, vtt gc hybrid twin turbo kit, mhd e85 hybrid turbo bef
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Default 06-15-2019, 12:24 AM

I changed the lpfp sensor today. Took another log tonight with the new sensor. The car changed the map to map 4 on me, saying fuel trim variance. Any ideas what it could be?
Attached Files
File Type: csv 2019-06-15 03_08_41_Map-2.csv (12.4 KB, 45 views)


2009 bmw 335ix, jb4, dual cone intake, down pipe, sport intercooler, stage 3 lpfp, vtt gc hybrid twin turbo kit, mhd e85 hybrid turbo bef
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Default 06-15-2019, 11:01 AM

Quote:
Originally Posted by Ryan81789
I changed the lpfp sensor today. Took another log tonight with the new sensor. The car changed the map to map 4 on me, saying fuel trim variance. Any ideas what it could be?
Your HPFP looks maxed

LPFP dipping into the 50s

Youíll throw the variance code when your bank 1 / 2 trims start to drift too far apart.

Can I see a log on a lower map?


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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Default 08-02-2019, 12:02 PM

Iíve been having a lot of problems out of my car the past month or so, first the car would randomly die when driving down the road. I replaced hpfp, fuel sensors, battery and battery cables, then my mechanic said the fuel pressure module was bad so he replaced that. The car isnít dying anymore but now when I get on it and it hits 4K rpms it doesnít want to go past that. It acts like itís hitting a limiter or is hesitating or something. Iíve never had this issue before, I took a log but idk if anyone can tell anything or could possibly know whatís goi g on. My mechanic reflashed the car while he had it so I lost the bef and transmission flash also. Any help would be appreciated
Attached Files
File Type: csv 2019-08-01 18_25_37_Map-2.csv (15.7 KB, 30 views)


2009 bmw 335ix, jb4, dual cone intake, down pipe, sport intercooler, stage 3 lpfp, vtt gc hybrid twin turbo kit, mhd e85 hybrid turbo bef
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Default 08-02-2019, 12:54 PM

Quote:
Originally Posted by Ryan81789
Iíve been having a lot of problems out of my car the past month or so, first the car would randomly die when driving down the road. I replaced hpfp, fuel sensors, battery and battery cables, then my mechanic said the fuel pressure module was bad so he replaced that. The car isnít dying anymore but now when I get on it and it hits 4K rpms it doesnít want to go past that. It acts like itís hitting a limiter or is hesitating or something. Iíve never had this issue before, I took a log but idk if anyone can tell anything or could possibly know whatís goi g on. My mechanic reflashed the car while he had it so I lost the bef and transmission flash also. Any help would be appreciated
difficult to tell anything based on the logs...

do you have a means to flash anything, or are you relying soley on a mechanic"?


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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Default 08-02-2019, 02:16 PM

Iím relying on a mechanic unfortunately. I scanned the car this afternoon and hereís a pic of the codes.
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2009 bmw 335ix, jb4, dual cone intake, down pipe, sport intercooler, stage 3 lpfp, vtt gc hybrid twin turbo kit, mhd e85 hybrid turbo bef
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Default 08-07-2019, 08:37 PM

When driving normal the car will go all the way to redline at 7k rpm but when I get on it it still acts up. Iím clueless as to what it could be. Anyone have any ideas?


2009 bmw 335ix, jb4, dual cone intake, down pipe, sport intercooler, stage 3 lpfp, vtt gc hybrid twin turbo kit, mhd e85 hybrid turbo bef
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Default 08-07-2019, 10:39 PM

Looks like your misfiring on a few cylinders...


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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