Spool FX-350 Upgraded High Pressure Fuel Pump - Gen 2 B58 BMW
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: Gen 2 B58 BMW G-series: M340i (G20), M440i (G22), M240i (G42), Z4 M40i (G29), 540i, 740i and X3 M40i (2020+)
- Free US shipping over $250
- 30-day returns on unused parts
- Fitment help before you buy
Spool Performance is proud to introduce our latest and greatest high pressure fuel pump capable of delivering fuel at 350 bar/ 35Mpa/ 5000psi . The pump features a stainless-steel construction with high tolerance DLC coated piston and bore . The pump is engineered to deliver the same volume as our FX200 pumps but at 350 bar pressure. The output is further increased by our Spool Performance Gen2 High lift cam lobe mod . The plunger springs have been specially engineered to be compatible with the cam lobe mod and limits float at high rpms even with increased lift from the cam mod. The FX-350 coupled with our IFX150 Gen2 DI injectors is the long-awaited missing piece in the puzzle for DI only big power on the Gen2 BMW high pressure fuel system. The FX-350 is truly Plug and Play for all platforms we are offering and comes with all the lines and hardware needed for a clean easy install.
Fits: Gen 2 B58 BMW G-series: M340i (G20), M440i (G22), M240i (G42), Z4 M40i (G29), 540i, 740i and X3 M40i (2020+)
Brand: Spool Performance
Gen 2 B58 BMW G-series: M340i (G20), M440i (G22), M240i (G42), Z4 M40i (G29), 540i, 740i and X3 M40i (2020+)
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M140i | F20/F21 | 2016–2019 | Gen 1 B58 | |
| M240i | F22/F23 | 2016–2021 | Gen 1 B58 | |
| 340i | F30/F31/F34 | 2016–2019 | Gen 1 B58 | |
| 440i | F32/F33/F36 | 2017–2020 | Gen 1 B58 | |
| 540i | G30/G31 | 2017–2019 | Gen 1 B58 | |
| 740i | G11/G12 | 2016–2019 | Gen 1 B58 | |
| X3 M40i | G01 | 2018–2019 | Gen 1 B58 | |
| M340i | G20/G21 | 2019+ | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021+ | Gen 2 B58 (TU) | |
| M240i | G42 | 2022+ | Gen 2 B58 (TU) | |
| Z4 M40i | G29 | 2019+ | Gen 2 B58 (TU) | |
| GR Supra 3.0 | A90/A91 | 2020+ | Gen 2 B58 (TU) | |
| 540i | G30/G31 | 2020–2023 | Gen 2 B58 (TU) | |
| 740i | G11/G12 | 2020–2022 | Gen 2 B58 (TU) | |
| X3 M40i | G01 | 2020+ | Gen 2 B58 (TU) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Free US shipping on orders over $250.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Pairs well with
Wagner Tuning Toyota BMW B58 Fuel Rail (w/o Fittings)
Wagner Tuning BMW B58 Fuel Rail Fitting Kit (Fittings Only)
Spool IFX350 Stage 1 Upgraded DI Injectors (+30%) - Gen 2 B58 BMW
