B58 GEN1 DS3 HPFP UPGRADE

Dorch DS3 HPFP – BMW B58 High-Pressure Fuel Pump Upgrade (Gen1 | Up to 1150whp | Stage 3 | E85-Compatible | Plug & Play)

📝 Optimized Product Description:

Push your BMW B58 Gen1 engine to four-digit power levels with the Dorch DS3 High-Pressure Fuel Pump (Stage 3) — the highest flowing single-pump DI fueling solution available. Delivering 20% more flow than the DS25 and supporting up to 1150whp on gasoline, the DS3 is engineered for maximum performance, unmatched reliability, and true plug-and-play installation.

Built for serious E85 and ethanol-blend builds, this HPFP maintains OEM fitment, zero interference, and includes an upgraded 250-bar hardline—no cutting, bending, or crimping required. Pair it with Dorch’s DE70 injectors and cam upgrade to achieve next-level direct injection power and tuning flexibility.

Designed from the ground up to run at 250 bar for full compatibility with high-flow DI injectors, the DS3 is the ultimate HPFP upgrade for B58 Gen1 platforms.

✅ Key Features:

• Supports up to 1150whp (with 40% cam upgrade)

• Flow capacity: 860whp (gasoline) / 870whp (E85)

• Compatible with E50, E85, and pump gas

• Efficient operation at 250 bar pressure

• True plug-and-play OEM fitment – no custom work required

• Includes 250-bar high-pressure fuel line

• Lifetime warranty & 24/7 technical/tuning support

• Tuning-ready via Bootmod3, MHD, MG Flasher, or WinOLS

📊 Performance Specs:

🛠️ Tuning required. Select the DS3 upgrade in Bootmod3/MHD/MG Flasher or send your .BIN to tuning@dorchengineering.com for WinOLS calibration.

📦 What’s Included:

• Dorch DS3 High-Pressure Fuel Pump

• 250-bar high-pressure hardline

• PTFE low-pressure fuel line

• Low-pressure hose bracket

• Plug-and-play wiring harness

• Dorch Lifetime Warranty

🚗 Vehicle Fitment (B58 Gen1 – Up to Model Year 2019):

• 1 Series: F20/F21 – M140i, M140xi

• 2 Series: F22/F23 – M240i, M240xi

• 3 Series: F30/F31/F34 – 340i, 340xi

• 4 Series: F32/F33/F36 – 440i, 440xi

• 5 Series: G30/G31 – 540i, 540xi

• 6 Series: G32 – 640i, 640xi

• 7 Series: G11/G12 – 740i, 740xi

• X Models: G01 – X3 M40i, G02 – X4 M40i

⚠️ Not compatible with Gen2 B58 engines (2020+).