


Burger Motorsports JB4 - 2015+ M3 / M4 S55
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Burger Motorsports JB4 - 2015+ M3 / M4 S55The 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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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