affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
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For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
Red High Temp Nylon Tubing, Quick-Connect Fittings
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-02-2026
Make tremendous amounts of power on pump gas! Everything you need to get started with WMI in one convenient kit. JB4 compatible, comes with your choice of tank size.
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Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
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For N55 equipped E chassis vehicles only
Make tremendous amounts of power on pump gas! Everything you need to get started with WMI in one convenient kit. JB4 compatible, comes with your choice of tank color.
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Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Allows for a clean WMI install without dissably or drilling/tapping the factory charge pipes!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Make tremendous amounts of power on pump gas! Everything you need to get started with WMI in one convenient kit. JB4 compatible and available with or without a TB spacer plate for installation with factory charge pipes.
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Makes for a clean WMI installation!
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For Gen 2 B58 equipped vehicles only!
The ultimate fueling solution for your S58 powered BMW. Six supplemental low-pressure fuel injectors allow fueling of up to 1000+ whp using water/methanol blends. JB4 integrated!
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This full kit is one of the easiest ways to get all six nozzles exactly where you need them for a true direct port installation.
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Engages water-methanol system at 35PSI
Adjustable from 25-50psi
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Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Direct port injection plate for clean WMI installs
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms