Welcome to the ultimate solution for maximizing the performance of your direct injection N55 engine. The Dorch Engineering N55 DS25 HPFP Upgrade is designed for enthusiasts seeking unparalleled power and reliability. With options to handle up to 1000whp on gasoline and 770whp on E85, this innovative pump sets new standards for high-performance vehicles.
Unmatched Performance
The DS25 HPFP is the successor to the acclaimed “Dorch Stage 2” (DS2) and has been meticulously redesigned from the ground up. Featuring an optimized pressure chamber, enhanced spring rates, and improved plunger depth, the DS25 boasts superior volumetric efficiency and reliability. It operates at pressures up to 250 bar, maximizing the flow potential of upgraded direct injection injectors.
Gasoline Flow Potential: Up to 1000whp
E85 Flow Potential: Up to 770whp
Operating Pressure: 250 Bar
Key Benefits
Plug and Play Installation: The DS25 kit offers 100% OEM fitment without the need for cutting, bending, or crimping. The kit includes everything you need, such as a 250-bar capacity hardline, to connect effortlessly to your fuel rail.
Lifetime Warranty: Dorch Engineering stands behind the reliability of its pumps, offering a lifetime warranty for complete peace of mind.
24/7 Customer Support: Enjoy unrivaled support from professional engineers, technicians, and tuners who are ready to assist you with any challenge.
Tuning Support: With an in-house calibration engineer and a global tuning network, Dorch Engineering ensures that your HPFP files are developed using OEM calibration tools for optimal performance.
Kit Contents
Dorch Lifetime Warranty
HPFP with Hardware
Dorch High-Pressure Line
PTFE Low-Pressure Hose
Plug and Play Adapter Harness
Fitment
F87: M2
F20/21: 135i, 135xi
F22/23: 235i, 235xi
F30/31/34: 335i, 335xi
F32/33/36: 435i, 435xi
F10/11: 535i, 535xi *
F25/26: X3/X4 35i *
F15/16: X5/X6 35i
E8X: 135i *
E9X: 335i *
E84: X1 35i *
E70/71: X5/X6 35i *
*Note: Fitment applies only to 2013+ models equipped with OE Bosch HPFP. The kit is not compatible with 2011-2012 N55 vehicles.

