Unlock race-fuel style performance on pump petrol with the JB4 Universal Water Methanol Injection Kit from Burger Motorsports, supplied by Nforcd. Designed to integrate with your JB4 via the dedicated FSB controller, this WMI system delivers progressive, flow-based injection, improved charge cooling and higher effective octane for stronger, more repeatable performance.
- Seamless JB4 integration through the FSB WMI controller for precise progressive mapping
- Control based on JB4 CANbus data including boost, throttle, RPM, intake temperature, ignition advance and gear
- Real-time pump current and flow monitoring with comprehensive fail-safes that reduce performance if flow drops or the tank runs low
- Activate or disable WMI from the driver’s seat, with automatic disengagement during traction control or safety map events
- Flow data can be displayed in-dash and logged via JB4 Mobile
- High quality 220 psi Aquatec pump, methanol-compatible solenoid with filter and compression fittings for leak-resistant reliability
What’s included in the base kit
- 220 psi Aquatec WMI pump
- FSB controller for JB4 integration
- Methanol-compatible solenoid and filter
- Approximately 20 ft of WMI line
- Required fittings, wiring and mounting hardware
Nozzle options and sizing
- Super-atomising 1/8 NPT nozzles for charge pipes with pre-welded bungs
- BM10 is suggested for most applications
- General guide: 4 cylinder BM7, 6 cylinder BM10 or dual BM5, 8 cylinder dual BM5 or BM10 for larger turbos
- Two smaller nozzles are typically preferred to one larger nozzle for improved atomisation and distribution
Optional upgrades
- Elite stainless steel braided hardline kit: 18 ft PTFE-lined, stainless braided with black nylon outer and BMS Elite AN fittings. Built for extreme pressure and temperature, includes all required AN fittings
- Billet tank cap with integrated check valve to help keep vapours contained
Tank choices
- 1.25 gallon heavy-duty universal tank: Compact vertical trunk mount, thicker-wall construction, easy-fill neck, anti-starvation reservoir with pre-threaded bung for the included 90 degree compression pump feed fitting, spill-catcher around the filler and translucent body for quick fluid checks. Supplied with a 2-way vented black plastic cap. Approx. dimensions L 11 in x W 4.5 in x H 9 in
- 2 gallon universal low profile tank: Pump mounts to the bottom of the tank for a clean install, suits a wide range of trunk layouts, available in black or clear, includes a 2-way vented black plastic cap and compression pump feed fitting. Pre-tapped pickup, works with all DDP 5800 pumps. Made in the USA. Approx. dimensions L 15.5 in x W 8 in x H 8.25 in
- 3 gallon BMS Stealth tank for select BMW models: Pump mounts directly to the tank and the assembly fits under the boot floor in F30 F32 F80 F82 applications. Works with all DDP 5800 pumps. Includes a 2-way vented cap with optional billet lid and 1-way check valve. Made in the USA. Approx. dimensions L 26.75 in x W 9.75 in x H 7.5 in
- 2 gallon F10 BMW Stealth tank: Custom design for the F10 5 Series including M5, mounting under the trunk deck. Pump mounts to the tank bottom with integrated sump and baffle for consistent supply. Includes a 2-way vented cap and compression pump feed fitting. Approx. dimensions L 16.5 in x W 6.5 in x H 8.25 in
Whether you call it water methanol injection, meth injection or a WMI kit, the JB4-integrated system is a proven upgrade for enthusiasts seeking cooler intake temps and race-fuel-like octane on standard pump fuel. Nforcd knows this product well and it has been a popular choice with our customers looking for a controlled, safety-first methanol setup.
Ready to upgrade your build with JB4 WMI? Order online from Nforcd. Professional fitting is available at our Warwickshire workshop. To request a fitting quote, email Sales@nforcd.com.