Dorch Engineering B58 Stage 1 HPFP

Dorch Engineering B58 Stage 1 HPFP

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We are proud to offer the worldŸ??s first B58 HPFP upgrades! This is a complete plug-and-play kit to support up to 560whp on E10 fuel (this number can vary quite a bit depending on tuning strategy and the blend of ethanol). ThereŸ??s no cutting, no bending, no crimping, etc. This kit drops right in with full control from the DME, just like the OEM pump. All of the safety and sophistication of the stock DME remain in place.

B58 HPFP Flow Capacities

The table below serves as a reference for maximum fuel flow in cubic centimeters per camshaft revolution for various B58 fuel pump options. These calculations are based on the B58 cam lobe. Each engine will have varying fuel flow capacities depending on the lift and number of lobes on the camshaft.

Pump Model Fuel Flow (cc/rev)

HDP5 Evo (Stock B58) .954

HDP6 (Stock B58TU) 1.178

Dorch Engineering Stage 1 1.299

Dorch Engineering Stage 2 1.558

Software changes are required to run this pump. If using Bootmod3, MHD, or MG Flasher, simply check the box for our pump upgrade when flashing. Otherwise, please send your .BIN file to tuning@dorchengineering.com for the appropriate software changes. This change is free of charge for all of our customers.

Kit Contents:

HPFP w/ Hardware

High Pressure Line

Quick Connect Low Pressure Line

Low Pressure Line Bracket

Plug-n-Play Adapter Harness

Kit Fitment:

F20/21 Ÿ?? 140i, 140xi

F22/23 Ÿ?? 240i, 240xi

F30/31/34 Ÿ?? 340i, 340xi

F32/33/36 Ÿ?? 440i, 440xi

G30/31 Ÿ?? 540i, 540xi *

G32 Ÿ?? 640i, 640xi *

G11/12 Ÿ?? 740i, 740xi *

G01 Ÿ?? X3 m40i *

G02 Ÿ?? X4 m40i *

* ONLY UP TO 2019 Model Year

KIT NOT COMPATIBLE with 2020+ B58 Vehicles