Wirelessly connect your JB4 to your phone!
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For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Unlock additional power and performance with the JB4 tuner
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Remove the dead area from your throttle pedal.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quick and simple add-on for increased power!
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Alter parameters and fine-tune — wirelessly!
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For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
This product was last offered at the strikethrough price on
05-12-2026
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For Electronic waste gate!
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*For Electronic waste-gate*
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! Highest HP gains from Burger Motorsport!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
Plug & play power — gain up to 50 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with electronic waste gate; not for sale or use in the state of California.
Gains of up to 35HP and 50lb/ft!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
Remove the dead area from your throttle pedal.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gain up to 35 horsepower in under one minute!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quick and simple add-on for increased power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Advanced BMW B58 tuner for power, customization, monitoring, and performance optimization.
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Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
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Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For Mid-2012 to 2013 vehicles.
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For limited use in California, please see full description. CARB certified for sale in all 50 states
Version 1.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms