Home » CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF

CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds

SKU: csf8404
Out of stock
$300.00

Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

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The CSF "No Limit" B58 & S58 Air-to-Air Billet Manifolds (CSF #8401 & #8402) come with one fuel rail for port injection (for 6 injector setups). For those looking to run dual port injection, CSF offers a second fuel rail kit. The CSF #8404 Fuel Rail Kit comes with all the necessary mounting hardware and features the same -8 ORB fitting as the primary rail. It can be set up as a return or returnless system. For those looking to run dual port injection, CSF offers a second fuel rail kit. The CSF #8404 Fuel Rail Kit comes with all the necessary mounting hardware and features the same -8 ORB fitting as the primary rail. The CSF #8404 Cooling product is designed to be a "Custom Fit" application. The product installion may require modifications. If you do not feel confident installing this product CSF recommends taking it to a qualified installation facility.
  • For secondary top feed port injection (additional 6 injectors for a total of 12 injectors) on the CSF #8401 and #8402
  • CNC machined 6061 Billet Aluminum Made by CPC (Made in Australia)
  • Includes -8 ORB plug for returnless setup
  • Includes Mounting Hardware

Fitment:
2020 BMW M340i
2020 BMW M340i xDrive
2020 BMW X3
2020 BMW X4
2020 Toyota GR Supra
2021 BMW M3
2021 BMW M340i
2021 BMW M340i xDrive
2021 BMW M4
2021 BMW M440i
2021 BMW M440i xDrive
2021 BMW X3
2021 BMW X4
2021 Toyota GR Supra
2022 BMW M240i xDrive
2022 BMW M3
2022 BMW M340i
2022 BMW M340i xDrive
2022 BMW M4
2022 BMW M440i
2022 BMW M440i Gran Coupe
2022 BMW M440i xDrive
2022 BMW M440i xDrive Gran Coupe
2022 BMW X3
2022 BMW X4
2022 BMW Z4
2022 Toyota GR Supra
2023 BMW M2
2023 BMW M240i
2023 BMW M240i xDrive
2023 BMW M3
2023 BMW M340i
2023 BMW M340i xDrive
2023 BMW M4
2023 BMW M440i
2023 BMW M440i Gran Coupe
2023 BMW M440i xDrive
2023 BMW M440i xDrive Gran Coupe
2023 BMW X3
2023 BMW X4
2023 BMW Z4
2023 Toyota GR Supra
2024 BMW M2
2024 BMW M240i
2024 BMW M240i xDrive
2024 BMW M3
2024 BMW M340i
2024 BMW M340i xDrive
2024 BMW M4
2024 BMW M440i
2024 BMW M440i Gran Coupe
2024 BMW M440i xDrive
2024 BMW M440i xDrive Gran Coupe
2024 BMW X3
2024 BMW X4
2024 BMW Z4
2024 Toyota GR Supra
2025 BMW M2
2025 BMW M240i
2025 BMW M240i xDrive
2025 BMW M3
2025 BMW M4
2025 BMW X4
2025 BMW Z4
2025 Toyota GR Supra
2026 BMW M2
2026 BMW M240i
2026 BMW M240i xDrive
2026 BMW M3
2026 BMW M4
2026 BMW Z4
2026 Toyota GR Supra


Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Units Per Sku: 1