Dorch Engineering – N55 DS15 HPFP Upgrade – DEN-FUP-N55-001

Dorch Engineering – N55 DS15 HPFP Upgrade – DEN-FUP-N55-001

Dorch Engineering – N55 DS15 HPFP Upgrade – DEN-FUP-N55-001

Dorch DS15 HPFP – Stage 1.5 Fueling Upgrade for N55

• Replaces the DS1 with the all-new DS15 “Stage 1.5” HPFP

• Fully redesigned internals for improved flow, efficiency, and reliability

• Now supports up to 250 bar operating pressure

• Plug-and-play kit capable of supporting up to 550whp on E10 (varies by tune and ethanol blend)

• No cutting, bending, or crimping – installs like OEM, with full DME integration

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

• Includes 250 bar-rated fuel line for direct connection

• Backed by a lifetime warranty and trusted 24/7 customer support

• Developed with OEM-level calibration tools and in-house tuning expertise

KIT CONTENTS

• Dorch Lifetime Warranty
• HPFP w/ Hardware
• High Pressure Line
• Low Pressure Line
• Low Pressure Line Bracket
• Plug-n-Play Adapter Harness
• APPLICATIONS
• 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 *
• *ONLY 2013+ models with OE Bosch HPFP
• KIT NOT COMPATIBLE with 2011-2012 N55 Vehicles

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