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Senior Member
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Posts: 573
Join Date: Sep 2021
Car: Evo VIII
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12-07-2021, 10:25 AM
It appears you still haven't changed your duty bias back to 50. ALL values need to be at 50.
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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Junior Member
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Posts: 33
Join Date: Jun 2018
Car: 435 Xi
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12-07-2021, 10:32 AM
Morning Cannon- I changed them all back to 50 but the JB4 has been learning and adjusting the duty bias since I changed it unless I am missing something. I changed it on the 30th but just logged for the first time yesterday.
'14 435xi - FMIC- BMS intake - JB4 + FF + WG plug - MHD, Dorch stg1 HPFP, PR Coils
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Junior Member
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Posts: 33
Join Date: Jun 2018
Car: 435 Xi
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12-14-2021, 01:12 PM
Any additional info on this is appreciated
'14 435xi - FMIC- BMS intake - JB4 + FF + WG plug - MHD, Dorch stg1 HPFP, PR Coils
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Senior Member
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Posts: 573
Join Date: Sep 2021
Car: Evo VIII
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12-14-2021, 02:11 PM
Please upload another log.
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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Junior Member
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Posts: 33
Join Date: Jun 2018
Car: 435 Xi
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12-22-2021, 05:42 PM
Here are several runs in 2nd and 3rd gear...still getting a little hiccup occasionally at WOT
'14 435xi - FMIC- BMS intake - JB4 + FF + WG plug - MHD, Dorch stg1 HPFP, PR Coils
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Tuner
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Posts: 21,116
Join Date: Oct 2012
Car: 135i
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12-23-2021, 01:05 PM
Other than cyl 6 timing lagging a bit...I don't see any real issues in the log.
Turbo is running 80% + WGDC so not a whole lot left in it.

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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.
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