Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
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Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This add on kit for BMW N54 engines allows your JB4 to "2step" the engine
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Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance!
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CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states
A piggy back tuner that allows you to adjust throttle response for peak performance.
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Add an Install Kit to Your Motiv ReFlex Control Unit!
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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. Includes JB4 side repair harness molex pigtail.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms