SKU: 11985033196

S55 JB4 Tuner for 2015-2019 BMW M3/M4/M2C

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Description

S55 JB4 Tuner for 2015-2019 BMW M3/M4/M2CGains 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 tuner 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 or phone. The JB4 installs and removes easily and includes many unique features not found in any other tune including user adjustable 1st and

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 tuner 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 or phone. 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 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
• Preloaded with custom JB4 BMW tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 40 different gauges/engine parameters in real-time with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4 app for a perfect launch
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• 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
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Includes the rugged JB4 billet aluminum enclosure for protection
• Made in the USA
• Free USA Shipping
• 5 year warranty


S55 JB4 Applications

BMW M2 
• 2018 2019 2020 M2 Competition (S55 Engine)

BMW M3 
• 2015 2016 2017 2018 2019 F80 M3

BMW M4
• 2015 2016 2017 2018 2019 F82 F83 M4, M4 GTS, M4 CS 



What is a JB4?

The JB4 is a plug & play tune available for turbocharged vehicles. The JB4 tuner installs between your car's sensors and its DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster. While it's not the only tuning system that operates this way the JB4 separates itself from the competition with much more advanced connection points and processing including CANbus, fuel & spark control, Bluetooth to your smartphone, and a variety of innovative and advanced features not possible with any other system. BMS regularly publishes free mapping and firmware updates adding performance and features as ongoing development allows. In addition, the JB4 system is not VIN-locked to your vehicle and can quickly be removed and swapped between cars or resold at a later time. Often imitated but never duplicated the JB4 has been the gold standard in plug and play turbocharged performance tuning for over a decade.

 

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.

  

DYNO RESULTS

 

 

VIDEOS 

 

Change maps on the fly

 

JB4 S55 CAN flap demo


Tags: bmw m3 f80 tuning, best tune, s55, 2015 2016 2017 2018 2019 m3 m4 tune, jb4 tuning software, bmw m3 tuner for sale, bmw m4 tuner m4 competition chip, bmw m4 upgrades stage 2, F82 bmw m4 tuning potential, bmw m4 jb4 dyno, performance chip

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SKU: 11985033196

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4.3 ★★★★★
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Theology Nerd
Phoenix, US
★★★★★ 5
An Exceptional Resource.
Format: Hardcover
I learned Greek and Hebrew in my graduate studies and anyone who has done that knows the great joy it is to be able to read the original languages of scripture. With the footnotes, though, getting through the text becomes much easier than if you simply have an NA28 or BHS. To echo what other reviewers have said, I also think that the new binding is a big plus over the previous edition - the book is so large that with a leather or trutone binding it can be a bit cumbersome. With the cloth over board, it fits well in your hands, feels more durable, and in my view is an improvement. However, one might say that calling it a "second edition" was not really necessary since the actual text is essentially the same as the previous - just the binding and the material used for the pages is different (as far as I can tell). The font is a good size as well. Any bigger and the book really would have been exceptionally large. But any smaller and it would be too hard to read. So I feel like they struck a good balance here. One thing that they could have done better in making this was include the BHQ texts of the Hebrew books that have already been released as of 2020 (Ruth, Proverbs, Deuteronomy, the 12 Minor Prophets, Song of Songs, Ecclesiastes, Lamentations, Esther, Judges, and Ezra-Nehemiah) rather than the BHS that was in the previous edition. All of those BHQ texts had been released as of the time that this was being produced, so they could have easily updated these books and made it a true "second edition" with some significant updates that have come from recent years of scholarship on these books. All of the BHQ Old Testament will probably not be out until 2030 or so, but those particular books have been available for a while. I assume that there was a reason for this, and perhaps Zondervan was not allowed to use the BHQ texts in this volume since the BHQ texts are so new, but that is really the only area for improvement that I can think of. It would be a great addition to anyone's library who has at least two semesters of the languages.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 26, 2020
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J Clemence
West Palm Beach, US
★★★★★ 5
Great resource for keeping up biblical language skills
Format: Hardcover, Format: Hardcover
I am excited to have purchased this book. I graduated from seminary over a decade ago, and I have definitely lost a lot of my proficiency with Greek and Hebrew. I have been looking for something to help get back into the flow of things, and this just might be it. The book contains both the Hebrew and Greek scriptures, which makes it several inches thick. On the plus side, the whole Bible is there in one book. However, it's not as portable as I'd like it to be. But that is the only downside I've discovered so far. The pages and hard over are of really good quality--they just feel good in your hands. The Hebrew and Greek fonts used are very readable, better than my critical editions. Some other reviewers have commented negatively on the yellow paper, but it hasn't been an issue with me. (Your results may vary.) The text itself has footnotes with quick definitions for all infrequent words (occurring <100x for Hebrew, <30x for Greek), so you don't have to look up that one word in the passage that, as it turns out, is a hapax legomenon or something. Each Testament also has a short lexicon with quick definitions for every word not defined in the footnotes. So in theory you should be able to look up any word quickly and easily just with this book. As an added bonus, infrequently occurring names in the Hebrew Bible are indicated in a light grey font, so again, you can quickly see that it's a name instead of getting frustrated trying to translate it as a regular noun. One word about usage: This is not an "academic" book per se. That is, you're not going to be able to do detailed word studies or compare manuscript variants with this book. Even the definitions are just quick glosses, meant to get you down the road, not to provide technical etymological information. The purpose of this book is to help you read and familiarize yourself with the original-language text, or, like me, to keep your language skills sharp. And I believe that it will do this well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 11, 2020
B
Verified Purchase
Bridget A. Trotter
Draper, US
★★★★★ 5
Works well
Format: Hardcover
Great study tool
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2025
A
A Writer and the Word
Cuba, US
★★★★★ 4
An Great Upgrade from the Previous Edition, but a bit yellow
Format: Hardcover, Format: Hardcover
The Zondervan Greek/Hebrew Reader's has been a classic for students of biblical languages, who desire a full biblical text (WLC for OT/Eclectic text (NIV) for NT) with the helps and assist of a Reader's edition. The first edition (black, bonded leather) has been a mainstay for a number of years. This new release (second edition) updates a few things from the previous edition. The second edition comes in a cloth-bound hardcover, which is an upgrade in my opinion from the previous editions bonded leather cover. The cover provides structure to the updated and improved binding. The fonts have been updated across the board, they are bolder and easier to read. This editions brings a lot of great updates and improvements on the first edition. Unfortunately, the glosses provided at the bottom of each page are organized in paragraph form, rather than in columns (UBS5), which makes it a bit difficult to find the footnote number and word you're searching for. Another big change is the paper color. The first edition had a bright white paper, the second edition is a deep creamy yellow paper. While I'm a fan of how readable this edition is (due to font changes), I feel the paper is way too yellow than it should be. (check pics see the difference). All in all, if you can deal with the yellow paper, this is a fantastic edition to have for reading in the biblical languages. **bible graciously provided by Zondervan for an honest review
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Reviewed in the United States on June 6, 2020
S
Verified Purchase
Stephen Mathews
Charlottesville, US
★★★★★ 5
Very nice
Format: Hardcover
They greatly improved the font (ie. a kappa looks like a kappa) and the yellowish pages are easier on the eyes. I really like it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2021

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