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GT3forme GT3forme is offline
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Car: 2015 M3
Default S55 error code 121201 help - 02-09-2019, 10:08 PM

Hopefully someone can help me out. Iím due for a NYS inspection and have placed my JB4 in map 0 and unplugged it to get the necessary *** readiness codes, but I keep getting the following error:

121201 TMAP signal active with engine off.


Iíve cleared the code with JB4, but it reappears shortly after. I havent had this issue before and have been running JB4 for the last 3 years so Iím unsure what to do. Thanks
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Payam @ BMS's Avatar
Payam @ BMS Payam @ BMS is offline
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Default 02-19-2019, 09:41 AM

Do you have a flash?


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, 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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Koolmoody Koolmoody is offline
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Car: F80 M3
Default 04-22-2019, 01:30 PM

Hello
Im having the same issue everytime i start the car i get the same code on my jb4 and yes i have a bm3 flash. Any help ?
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 04-22-2019, 02:34 PM

What other mods? Photo of JB4 mobile install?


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, 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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Koolmoody Koolmoody is offline
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Car: F80 M3
Default 04-22-2019, 02:39 PM

vrsf down *****/ vrsf chargepipes / vrsf front mount intakes / bm3 flash custom map / water methanol injection

I don't understand the photo part ? Do you want a photo of my jb4 settings or my hardware install ?
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Koolmoody Koolmoody is offline
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Car: F80 M3
Default 04-23-2019, 12:06 PM

Any help ? Im clueless here 😅
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