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RicksterF13 RicksterF13 is offline
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Default Terry Tuner help - 04-13-2019, 12:56 PM

Hey Terry Ive ordered the JB4 upgrade but already installed a BCM. I've gotten Drivetrain Malfunction, and I'm wondering if I need to completely remove the BCM or can I just kill power to it? I don't want to have to R&R it twice. I did install a new set of plugs you suggested. Help please
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 04-13-2019, 06:35 PM

You could disconnect it's ground but really you're supposed to remove it all together. Otherwise what's the point of upgrading? V2 is twin bank BCM boost control.


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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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RicksterF13 RicksterF13 is offline
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Default 04-13-2019, 10:10 PM

I completely removed it and left the tuner in. I got another Drivetrain Malfunction tonight. I'm removing the tuner now, its seeming to have issues more and more. I'm not ready to burn this motor down. Thoughts????
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Default 04-14-2019, 09:37 AM

Sounds like the help you need is beyond what can be provided via the forum.

Email in to technical support with photos and the actual fault codes though.


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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