N54Tech.com - International Turbo Racing Discussion
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alejo101 alejo101 is offline
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Car: 2022 M340i
Exclamation Rev 3.7 firmware update - 09-11-2021, 09:26 AM

I just installed my JB4 last night, when I open the app and hit connect it says the following: Searching for device, connecting to device, validating pin, then it says I have to update the Rev 3.7 firmware. After this I hit update and then it has a pop up saying "DFU starting" and the a loading wheel below it. This is about as far as I've been able to get I've tried multiple times with multiple device and it just spins and spins for even 45+ minutes at a time. Any solutions to this issue? what should i do?
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 09-13-2021, 09:13 AM

It's a bug, use the BETA versions for now.

Android: https://play.google.com/store/apps/d...o91.jb4_mobile
iOS: Join the JB4 Mobile beta - TestFlight - Apple


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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