JB4tech.com - International Turbo Tuning Discussion
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Payam @ BMS's Avatar
Payam @ BMS Payam @ BMS is offline
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Default 06-06-2022, 09:44 AM

Quote:
Originally Posted by djpapeleta360
Hi. I just installed Jb4 and running map 2 on my G83. When launching I get tons of wheel spin on Michelin Sports tires. Attached are my logs. I was running firmware 46/5/5 at the time. I downloaded the latest firmware and have not gone on another run.
Are you RWD? What fuel are you running?

I would lower FF to 40
And maybe put boost by gear value 3 in 1st gear, that might help.


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(#102)
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djpapeleta360 djpapeleta360 is offline
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Default 06-06-2022, 09:58 AM

Im on xdrive running default stage 2 map. Can the default maps be adjusted?
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(#103)
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Terry @ BMS's Avatar
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Default 06-22-2022, 08:39 PM

Quote:
Originally Posted by djpapeleta360
Hi. I just installed Jb4 and running map 2 on my G83. When launching I get tons of wheel spin on Michelin Sports tires. Attached are my logs. I was running firmware 46/5/5 at the time. I downloaded the latest firmware and have not gone on another run.
Try setting 1st gear to 3psi in the app to reduce boost off the line!


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(#104)
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riverracer55 riverracer55 is offline
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Default 2022 X3 S58 Map 2 log - 06-25-2022, 02:11 PM

Sorry for only 1 log. I actually recorded 2 logs per map, map2, map3, map4, and map 5. All done on a pump/race gas/ethanol blend coming out to about e32-33 97-98 octane. Sadly this is the only log that is saved. If you could please take a look and I will update my app to do more logs once I fill the tank with the good stuff again.

Also, BC button for exhaust flaps seems not to work. Any help would be great.


Attached Files
File Type: csv P46_M2_R15_220625_1217.csv (379.9 KB, 49 views)
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(#105)
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Default 06-29-2022, 09:52 PM

What map would you use for say 110 Octane?


2008 BMW 135i MT: Stock turbo FBO
502whp 593wtq
11.995 @122.08. 60' 2.041
3180lbs w/o driver
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(#106)
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Terry @ BMS's Avatar
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Default 07-01-2022, 02:36 PM

Quote:
Originally Posted by goldfz8
What map would you use for say 110 Octane?
Avoided loaded fuel, but map5 generally for MS109.


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(#107)
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Terry @ BMS's Avatar
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Default 07-28-2022, 09:24 AM

Some S58 port injection dyno testing underway... It's a sweet kit, you guys are going to love it.
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(#108)
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phaser phaser is offline
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Default 07-29-2022, 01:21 PM

Amazing numbers Terry.
What are you guys doing here in your testing?
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(#109)
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EMC EMC is offline
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Default 07-29-2022, 02:52 PM

Quote:
Originally Posted by Terry @ BMS
Some S58 port injection dyno testing underway... It's a sweet kit, you guys are going to love it.
Any other changes needed to the fuel system hardware other than the PI kit?

When is the expected release date?


2022 M3xdrive
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(#110)
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Terry @ BMS's Avatar
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Default 08-04-2022, 07:28 AM

Quote:
Originally Posted by EMC
Any other changes needed to the fuel system hardware other than the PI kit?

When is the expected release date?
Any day now for release.

No additional changes needed, we're running the factory low pressure pump right now on ours.


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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(#111)
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Terry @ BMS's Avatar
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Default 08-04-2022, 07:29 AM

Quote:
Originally Posted by phaser
Amazing numbers Terry.
What are you guys doing here in your testing?
The X4 has our JB4, prototype intake, Fuel-IT port injection, exhaust, and the DME is unlocked so we can do MHD back end flash development.


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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(#112)
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Sleepys4 Sleepys4 is offline
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Default 08-05-2022, 03:43 PM

Someone finally cracked the ECUs stateside!?
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