Dorch DS25 HPFP Upgrade | BMW B58 GEN2
Dorch Engineering introduces the next evolution in fuel systems for B58 GEN2 engines – the DS25-350. This 350 bar high-pressure fuel pump is yet another industry-first aftermarket solution, specifically designed for the growing performance demands of Gen2 B58 engines.
The DS25-350 continues Dorch's renowned tradition of maximum flow, OEM-level integration, and exceptional reliability – now with an even higher operating pressure.
Technical Specifications (DS25-350)
- Maximum Flow (Gasoline):
- up to 770 whp
- up to 950 whp (+27% camshaft upgrade)
- Maximum Flow (E85):
- up to 560 whp
- up to 710 whp (+27% camshaft upgrade)
- Operating Pressure: up to 350 bar
Key Features
-
350 bar operating pressure: Specifically designed for B58 GEN2 engines
-
Completely redesigned internal structure: Optimized pump body, spring, piston stroke, and volumetric efficiency
-
Top-tier flow capacity: Maximizes direct injection performance
-
OEM-level compatibility: Full DME control and original safety features retained
Plug & Play Installation
The DS25-350 is a true plug & play solution on the market:
- No cutting, bending, or modifications
- Direct OEM fitment
- Full compatibility with the car's original DME control
Included is a 350 bar capacity high-pressure line, allowing for easy and safe installation without modifying the OEM line.
Software Requirements
The pump requires a software update:
- Bootmod3 or MHD: support coming soon (selectable during flashing)
- Other solutions: send .BIN file to a knowledgeable tuner
Package Contents
- Dorch HPFP pump + mounting hardware
- Dorch high-pressure fuel line (350 bar)
- PTFE low-pressure hose
- Low-pressure hose clamp
- Plug & Play adapter harness
- Lifetime warranty
Compatibility (B58 GEN2)
Fits various models equipped with the B58 GEN2 engine:
- A90/91 Toyota Supra
- 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 GEN2 B58 engine models