Best alternative to Genuine BMW intake boot at half the price for your E31
Best alternative to Genuine BMW intake boot at half the price for your E31
Added protection for your WMI setup
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For use in setups where charge pipe injection is being utilized.
High flow WMI solenoid with inline 40 micron filter
Located on the intake manifold or intake box
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
08-08-2026
1/4" tee fitting for water/methanol lines
15 PSI
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
08-08-2026
Connection hose for the Mass Air Sensor and throttle body
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
08-08-2026
D=10.5. Found in the throttle body housing
Replacement WMI Water Injection Hose
Monitors intake air temperature
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Replacement air intake boot that connects to the intake air box
Keep your CAI from heat soaking with this thermal wrap kit, 36" X 14"
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
08-08-2026
Connection hose for the Mass Air Sensor and throttle body
This product was last offered at the strikethrough price on
05-02-2026
Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.