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Dorch Engineering **B58** HPFP Upgrade Kit

$1,699.00 $1,199.00

Specification
Product Code DOR1P6J458
Manufacturer N54Tuning
Condition New

Earn Reward Points: 1199

Dollar Value of Points: $11.99

Dorch Engineering B58 HPFP Upgrade

SKU: DE-58-1001 Categories: 

After months of R&D we have finally released the world’s first B58 HPFP upgrade! Our Stage 2 kit is a bigger, better version of our Stage 1 kit for some of the more extreme applications. This is a complete plug-and-play kit to support up to 700whp and also allow for full E85 up to 550whp (these numbers can vary quite a bit depending on tuning strategy, fuel type, etc.). There’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 MHD or Bootmod3, simply check the box for our pump upgrade when flashing (coming soon). 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 – 140i, 140xi
F21 – 140i, 140xi
F22 – 240i, 240xi
F30 – 340i, 340xi
F31 – 340i, 340xi
F32 – 440i, 440xi
G30 – 540i, 540xi

 

Installation Instructions:

B58 HPFP Kit Installation Instructions

 

NOTE: If you have a B58 equipped vehicle that is not listed, please contact us at info@dorchengineering.com for fitment information.

 

 

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