Dorch Engineering – N55 DS25 HPFP Upgrade – DEN-FUP-N55-002

Dorch Engineering – N55 DS25 HPFP Upgrade – DEN-FUP-N55-002

Dorch Engineering – N55 DS25 HPFP Upgrade – DEN-FUP-N55-002

Dorch DS25 HPFP – The Ultimate N55 Fueling Solution

• Replaces the DS2 with a fully redesigned Stage 2.5 high-pressure fuel pump

• Offers more flow and reliability—optimized chamber, spring rates, and plunger depth

• Supports up to 250 bar for maximum injector performance

• No cutting or bending – full plug-and-play install with OEM DME control

• Includes 250 bar-rated fuel line for direct connection to the fuel rail

• Software tuning required (MHD & BM3 supported; WinOLS option available)

• Designed to pair with the N55 Lift Kit (N55LK) for even more fueling headroom

• Backed by a lifetime warranty and 24/7 expert support

• Developed with in-house calibration engineers using OEM tools for seamless tuning integration

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