2015+ M3/M4 S55 JB4

JB4_JBM_M_performance_tuner_flash_chip_obdii_bmw_M3_M4.jpg
JB4_JBM_M_performance_tuner_flash_chip_obdii_bmw_M3_M4.jpg

2015+ M3/M4 S55 JB4

799.00

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. 

THIS PRODUCT IS DESIGNED FOR OFF-ROAD & RACING USE ONLY!

*Not Available in California*

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Burger Motorsports BMS DATA Cable
35.00
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Although our products are designed to work with a vast majority of BMWs, there are some situations where a cars specific configuration may require additional components or may make the car incompatible. For any compatibility questions, please email us at info@kiesmotorsports.com. Thank you.