Fuel rail to injector O-ring
Fuel rail to injector O-ring
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
Comes with fuel level sensor and fuel pump
10X Entries Into Our F80 M3 Sweepstakes
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.
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Factory replacement for your failed injector
We Price Match - Give Us A Call or Chat! Not for JCW engine kits
This product was last offered at the strikethrough price on
05-07-2026
Overlay real carbon fiber fuel cap cover with JCW logo
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
09-02-2026
Factory replacement for your failed injector
Not for JCW engine kits
E85 Compatible
Requires tuning and/or additional hardware.
E85 Compatible
Requires tuning and/or additional hardware.
48mm Standard
Requires tuning and/or additional hardware.
48mm Standard
Requires tuning and/or additional hardware.
This fuel filter features a precision machined aluminum body and fittings
Quick connect union T-fitting for 1/4" Nylon
Located near the side of the engine