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Alex Liu Alex Liu is offline
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Icon1 BMS JB4 (wireness) model connection - 08-16-2021, 07:55 PM

Hi,
I got a second-hand BMS JB4 box(wireness/ewg model)for my N20(28i EWG)with four connector as picture shows.
I was puzzled by the JB N20/N26 Stage 1 & JB4 Install Guide on the http://burgertuning.com/instructions/JB_n20_install.pdf which is not the same with my box. Need I connect the all four connector?Or just connect the two for ‘boost’&'manifold'?
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Last edited by Alex Liu; 08-19-2021 at 11:39 PM..
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 08-17-2021, 08:30 PM

Looks like it has the optional EWG connector installed on the harness. Doesn't need to be attached to the car.


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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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Alex Liu Alex Liu is offline
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Default 08-17-2021, 10:23 PM

Quote:
Originally Posted by Terry @ BMS
Looks like it has the optional EWG connector installed on the harness. Doesn't need to be attached to the car.
Thanks for your reply.
It is for 2014+ 20i engine,looks like already integrate the the four connectors as follows:

1. Boost turbine pressure sensor
2. Manifold intake pressure sensor
3. Fuel high pressure rail pressure sensor
4. Wastegate turbine bypass valve controller(EWG)

My problem is whether the 3 & 4 connectors is needed for my 28i eng(14+ ewg)?
I think these two are not necessary for 28i,but if 28i eng install all the 4 connector to make the engine compartment looks tidy,will any adverse issues occur?

Last edited by Alex Liu; 08-18-2021 at 01:16 AM..
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Terry @ BMS's Avatar
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Default 08-20-2021, 03:03 PM

1 and 2 are needed. 3 and 4 are optional. Should be fine without them to start on map1 or map2.


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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