B58 GEN2 DS25 HPFP UPGRADE

Dorch Engineering – B58 Gen2 DS25-350 HPFP (350 Bar)

From the pioneers of B58 direct-injection fueling upgrades comes the next evolution in high-pressure fuel pump technology: the DS25-350. This all-new version of our proven DS25 platform has been fully re-engineered for 350 bar operation, offering more power potential, OEM+ reliability, and complete DME control—with zero cutting or modifications required.

Performance Specs:

Why Choose the DS25-350?

• True 350 Bar Performance: Reworked internals, spring rates, and optimized efficiency tailored for Gen2 B58

• Plug & Play Installation: Direct-fit OEM replacement — no cutting, bending, or crimping

• Full DME Control: Seamless integration with factory ECU, preserving all OEM safety features

• Software Ready: Compatible with Bootmod3 and MHD (check pump upgrade box); WinOLS support available via .BIN submission

• Lifetime Warranty: Backed by Dorch’s legendary reliability and full support

• OEM+ Injector Compatibility: Maximize output with S58 injectors (+30% flow) — no need for custom injectors

Kit Includes:

• DS25-350 HPFP

• Dorch 350 Bar High-Pressure Line

• PTFE Low-Pressure Line

• Low-Pressure Hose Bracket

• Plug-and-Play Adapter Harness

• Full Hardware Set

• Dorch Lifetime Warranty

Vehicle Fitment (Gen2 B58 ONLY):

• Toyota:

  • A90/91 – Supra

• BMW:

  • G29 – Z4 M40i

  • G42/43 – M240i, M240xi

  • G20/21 – M340i, M340xi

  • G22/23/26 – M440i, M440xi

  • G30/31 – 540i, 540xi*

  • G32 – 640i, 640xi*

  • G11/12 – 740i, 740xi*

  • G15/16 – 840i, 840xi

  • G05 – X5 40i

  • G06 – X6 40i

  • G07 – X7 40i

  • G01 – X3 M40i*

  • G02 – X4 M40i*

*Only applicable to GEN2 B58-equipped model years. Contact support with your VIN if unsure.

Installation Help:

📄 B58 Gen2 HPFP Installation Instructions