Stage 3 upgrade kit for Stage 2 Bucketless LPFP, includes components.
Stage 3 upgrade kit for Stage 2 Bucketless LPFP, includes components.
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
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.
Makes for a clean WMI installation!
For Gen 2 B58 equipped vehicles only!
Adds port fuel injection capability while retaining an OEM look
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-23-2026
Precision-engineered 1200cc fuel injector set designed to provide a "drop-in" fitment for high-performance engines.
For enthusiasts looking to bridge the gap between street drivability and track-ready power.
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!
Requires modification for tank fitment!
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
CNC-machined spacers, hardware, fuel line adapter, requires fuel injectors, chargepipe.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.
Fueling support up to 1000+ WHP!
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.
Controls fuel delivery and pump pressure from the tank