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Home / ECU Tuning / jb4

JB4 S55 for 2015+ BMW M3/M4/M2C

$ 599.00 – $ 739.00

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JB4 S55 for 2015+ BMW M3/M4/M2C
SKU: N/A Category: jb4 Brand: Burger Motorsports
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Gains are up to 80whp/100tq on pump gas and up to 120whp/140wtq on higher octane or E85 mixtures without the risks of flashing!

The ultimate tune for your S55 powered vehicle, the JB4 allows you to go from factory stock to full race, and everywhere in between, with the push of a button on your steering wheel. The JB4 installs and removes easily and includes many unique features not found in any other tune including user adjustable 1st and 2nd gear boost limiting, map switching in dash, electronic wastegate control, ethanol fuel support, and built in advanced CANbus based diagnostic tools. Installation is completely removable with no splicing or cutting of factory wires.

The JB4 is compatible with the factory flash map, competition package flash map, all off the shelf flash maps, custom tuned flash maps, or any flash map you choose to load! For those who don’t mind flashing BMS provides free back end flash maps designed to optimize performance for specific builds and fuels saving you hundreds of dollars and many hours of time on custom flash tuning.

For the latest performance results, updates, firmware, and map guide be sure to visit N54tech.com.

For those running aftermarket turbocharged systems with aftermarket Tial wastegate(s) we have a special version of the S55 JB4 specifically to control them. Email us so we can manually invoice you for the JB4_S55_TIAL version.

 

Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. Separate JB4 Mobile app purchase also required.

 

JB4 Tuner for S55 BMW M3 M4 M2 competition

JB4 Features & Benefits

• Gains are 80whp/100tq on pump gas and up to 120whp/140wtq on higher octane or E85 mixtures.
• Improves 0-60 times and 1/4 mile times
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• Includes the rugged JB4 billet aluminum enclosure for protection
• CANbus OBDII integration offering unrivaled tuning features and performance
• Improved performance over non-integrated chip tunes
• Runs as smoothly as stock, this is how your vehicle should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• 91 octane fuel or better required for performance gains
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• Not VIN locked and can be removed without a trace and resold down the road
• Made in the USA
• Free USA Shipping
• 5 year warranty

S55 JB4 Applications

BMW M2 
• 2018+ M2 Competition (S55 Engine)

BMW M3 
• 2015-2019 F80 M3

BMW M4
• 2015+ F82 F83 M4, M4 GTS, M4 CS

JB4 FAQ

Burger Motorsports JB4 tuned M3 Pure stage 2 turbos

jb4 tuned bmw M4 bms burger tuning burger motorsports

 

S55 BMW M3/M4 JB4 Map Guide
Map 0: Disable JB4 / Full Pass Through Mode
Map 1: Stage1 map adding approximately 40whp and 40wtq across the power band on pump gas. Suitable for all stages and fuel mixtures.
Map 2: Slightly more aggressive version of map 1 intended for vehicles with exhaust modifications and 93+ octane fuel. Can also be used with E85 and racing fuel mixtures.
Map 3: Slightly less aggressive version of map 1 intended for vehicles running on lower grade fuels such as 91 octane.
Map 4: OEM performance but with JB4 active for diagnostics only.
Map 5: //M low torque / linear throttle map.
Map 6: Custom tuning map.
Map 7: Race gas map. Requires 100 octane unleaded fuel and for the fuel mass connector to be installed. This map can also be used with up to 35% E85.
Map 8: Methanol injection map. Requires BMS FSB controller or methanol kit for progressive mapping and safety systems.

 

INSTALL GUIDE & DOWNLOAD JB4 APP

  • Download S55 JB4 Install Guide
  • Download JB4 iPhone App
  • Download JB4 Android App

 

DYNO RESULTS

M3/M4 S55 Dyno Results

 

M3/M4 S55 Dyno Results

 

2015 M4 DCT, 100% stock except for JB4 and 5 gallons of E85 mixed with 91

VIDEOS

 

Change maps on the fly

 

JB4 S55 CAN flap demo

Weight N/A
Dimensions N/A
Optional Device Connection

No Thanks, JB4 Wireless Mobile Smart Phone Kit (Wireless Connection)

Engine

3.0 S55

Make

BMW

Model

M Series

Submodel

M2 COMPETITION F87, M3 F80, M4 F82/F83

Years

2015, 2016, 2017, 2018, 2019

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