WARNING: product may contain chemicals known to the State of California to cause cancer, birth defects, and/or reproductive harm. For more information, go to www.P65Warnings.ca.gov.
DISCLAIMER: Products that affect or remove vehicle emissions equipment (Intakes, Manifolds, Tuners, etc) that do not have a CARB EO number may not be available for sale in the state of California. Please contact us if you are unsure if a product is available for sale in California. ModBargains complies with all EPA and CARB regulations.
• Power gains of up to 80hp and 100tq to the wheels on a stock vehicle • Improves 0-60 times and 1/4 mile times • Preloaded with custom JB4 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 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
Applications:
BMW 5 Series 2018+ BMW M5 [F90] Incl Comp and CS
BMW 8 Series 2020+ BMW M8 [F91/F92/F93] Incl Comp
Up to 60hp to the wheels on a completely stock car or MORE on a fully modified car!!!
The ///M JB4 takes everything that is great about the all-wheel-drive F9x M5 & M8 platform and amps it up to the next level. Power gains of up to 80whp and 100wtq bring the car to life allowing 1/4 mile potential deep into the 10s. Unlike other generic tuning devices, the JB4 includes full CANbus integration via the OBDII port for advanced tuning, safety features, and diagnostics, as well as electronic wastegate control for superior boost targeting. This is simply the best tuning box available for your //M.
Dyno Sheets
M5 Stock vs JB4
2020 F92 BMW M8 with JB4, MAP 5, BMS Intake, and MS109 Race Gas
Dyno Results 2018 F90 M5, All stock with JB4
THIS ITEM CAN NOT BE SHIPPED OR INSTALLED IN CALIFORNIA THIS PRODUCT IS INTENDED FOR USE WITH CLOSED COURSE COMPETITION VEHICLES ONLY
![BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/1280x1280/products/58316/246299/JB4_BMW_N63tu_performance_tuner_720x__31633.1698093976.jpg?c=3 "BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]")
![BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/58316/246302/image_7c95a5f5-b246-4395-9c13-5789cd1894a9_540x__32214.1698094198.png?c=3 "BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]")
![BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/58316/246300/optional-jb4-bluetooth-wireless-wired-connection_6d6a9026-3ef7-4801-bf06-d6d7e434d62c_540x__54285.1698093997.jpg?c=3 "BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]")
![BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/58316/246301/image_100667ea-0635-4bf8-bdc2-8c2a5663017d_540x__10084.1698093997.jpg?c=3 "BMS S63 JB4 Tuner for BMW M5 / M8 / X5M / X6M [F9X]")
EASY
![BMS S63TU JB4 Tuner for BMW M5 / M6 / X5M / X6M [F10/F12/F13/F85/F86]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/58306/246250/s63tu_jb4_540x__56744.1696966201.jpg?c=3 "BMS S63TU JB4 Tuner for BMW M5 / M6 / X5M / X6M [F10/F12/F13/F85/F86]")
![BMS S55 JB4 Tuner for 2015+ S55 BMW M3 / M4 [F80/F82]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/34774/161902/_1446813781__67800.1583367415.jpg?c=3 "BMS S55 JB4 Tuner for 2015+ S55 BMW M3 / M4 [F80/F82]")
![BMS JB4 N63 Tuner for 2011+ BMW 550i/650i/750i [F10/F01/F12]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/34773/161901/BMS-JB4-N63-n63tu-AF_1407410656__70385.1583267582.jpg?c=3 "BMS JB4 N63 Tuner for 2011+ BMW 550i/650i/750i [F10/F01/F12]")
![Competition Shift Paddles for BMW M2/M3/M4/ [F8X] M5 LCI [F10] M6 [F06/F12/F13] X5M/X6M BM-1064](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/29153/146068/_1449242767__02925.1583867067.jpg?c=3 "Competition Shift Paddles for BMW M2/M3/M4/ [F8X] M5 LCI [F10] M6 [F06/F12/F13] X5M/X6M BM-1064")