1/8NPT-1/4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
1/8NPT-1/4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
incl. brackets/check valve/tubing
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
For use in setups where charge pipe injection is being utilized.
High flow WMI solenoid with inline 40 micron filter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Attached to the pedal assembly
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
06-08-2026
Keep your engine breathing fresh air
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date to 09/1985 and a sheet metal airbox
D=10.5. Found in the throttle body housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replacement WMI Water Injection Hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Keep your engine breathing fresh air
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1985
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
06-08-2026
Inexpensive, compact, and easy to mount.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
1/4" tee fitting for water/methanol lines
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Used through out your BMW
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
15 PSI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Drop-in high performance air filter with a million mile warranty!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1985 and a sheet metal airbox
Higher flow, higher performance - oil-free, washable and reuseable!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1985 and a sheet metal airbox
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
06-08-2026
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms