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Default JB4 for S58 G Chassis M3/M4/X3M/X4M - 09-01-2019, 05:46 PM

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Use subject to terms and conditions posted at http://www.burgertuning.com/terms.html

THIS PART IS LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW, AND IS NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE. California law defines a "racing vehicle" as "a competition vehicle not used on public highways." (Calif. Health & Safety Code 39048) This part may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event. Competition-only motor vehicles may not be driven to a racing event on a public highway and must be transported on a trailer or other carrier. USE OF THIS PART IN ANY OTHER VEHICLE MAY SUBJECT YOU TO FINES AND PENALTIES FOR VIOLATION OF FEDERAL AND/OR STATE LAW, WILL VOID YOUR WARRANTY FROM BURGER MOTORSPORTS, INC, AND CAN VOID YOUR VEHICLE'S WARRANTY. It is your responsibility to comply with all applicable federal and state laws relating to use of this part, and Burger Motorsports, Inc hereby disclaims any liability resulting from the failure to use this part in compliance with all applicable federal and state laws.



This is the central point of contact for all S58 JB4 BETA related information. Anything from install directions, to firmware updates, to settings, to frequently asked questions. Any and all relevant info is linked in this post. If you come across something missing from here be sure to let us know.

Order the full JB4 system here.

Map changes, datalogging, updates are done using the BMS data cable or the JB4 Mobile bluetooth kit.

JB4 Mobile Smart Phone wireless connection directions Click here
BMS data cable hard wired directions Click here


Map Guide as of v5 firmware:

Map 0: Stock operation, JB4 disabled
Map 1: Default performance map, 3psi peak request over stock (suitable for all 91+ RM2 fuels)
Map 2: 4psi peak request over stock (91 -93 suggested)
Map 3: 22psi absolute boost target (93 - E30 suggested)
Map 4: 23psi absolute boost target (E30-E40 suggested)
Map 5: 25psi absolute boost target (E30-E40 suggested)
Map 6: User adjustable map. RPM1500 value of less than 5.7psi make entire map6 additive target based, value over 5.7psi make entire map6 absolute target based.
Map 7: water/meth progressive map -- under development
Map 8: Low boost / VALET map

Note to properly delete fault codes the car must be in diagnostic mode first. With your foot off the brake press the ignition button 3 times fast. All lights will appear on dash.

For those helping test the fuel pressure add on connection: Green goes to 11, and black goes to 23 right below it

Exhaust Flap Control:

Using the BC button you can change between open (left arrow), closed (right arrow), and OEM operation (both arrows).

Default Settings:
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How to update firmware:

Download firmware using the new JB4 Mobile firmware database or externally by clicking this link.



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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