B58 Gen1 "Gauntlet" High Pressure Fuel Pump by Precision Raceworks

Precision Raceworks is proud to present the Gauntlet High Pressure Fuel Pump for the B58 Gen 1 engine. This cutting-edge pump flows 70% more fuel than the stock pump and offers an additional 4% over our original Big Bore HPFP. Designed for enthusiasts who demand the best, the Gauntlet delivers top-tier performance at a competitive price, making it the best value on the market for high-performance B58 fuel systems.

FEATURES

• +70% more fuel flow than the stock N55 pump.
  
• Robust cast stainless steel construction for a compact, robust design.
  
• Plug-and-play installation requiring no modifications, fully reversible for future projects.
  
• Comprehensive installation kit including a high-capacity HPFP, low-pressure inlet tube with Teflon internals, stainless steel high-pressure outlet tube, pump adaptation flange, flange alignment tool, electrical harness adapter, and all necessary installation hardware.
  
• Detailed color installation guide and tuning resources available for easy setup.
  
• Dynamically tested for consistent performance at multiple speeds and pressures, with serialized flow test reports.

• Leak and pressure tested stainless tubes for maximum reliability and serialized for traceability.

PERFORMANCE

The Gauntlet HPFP supports 240 bar of fuel rail pressure and has been rigorously tested through 60,000 miles of real-world driving in various conditions. Whether you’re running pump gas, E85, or other fuel blends, this pump has passed computational fluid dynamics analysis, kinematic and structural testing, and over 120 hours of dynamic testing, ensuring it meets or exceeds all performance standards.

VALUE PROPOSITION

1. Best HPFP Upgrade for Gen 1 B58: Offering the best performance-to-price ratio available, the Gauntlet HPFP outperforms the competition at it is the highest flowing pump on the market and at a lower cost!
2. Simple, Reversible Installation: The pump installs quickly without any permanent modifications, making it easy to revert to stock when needed.
3. Optimized for Maximum Power: Compatible with the largest injectors on the market, allowing you to push the limits of direct injection power.

COMPATIBILITY

Plug-and-Play for B58 Gen 1 Engines. Requires tuning after installation.

FAQS

How is the Gauntlet different from the Big Bore HPFP?

The Gauntlet features a larger piston and a cast stainless steel design, offering more flow at a reduced price, while still supporting up to 240 bar fuel rail pressure.

Can I install the Gauntlet pump myself?

Yes! The kit includes all the hardware and tools needed for installation. A tune is required after installation, and tuning guides are provided.

Is this pump compatible with E85?

Absolutely. The Gauntlet has been tested with various fuels, including E85, ensuring reliable performance regardless of fuel type.

Why does this pump look different from other models?

The cast stainless steel design allows for a more compact form factor and unique surface finish compared to machined pumps.

Push the limits of your B58 Gen 1 engine with Precision Raceworks' Gauntlet High Pressure Fuel Pump—engineered for power, reliability, and unbeatable value.

WHP potential on gasoline: 1022WHP

WHP potential on E85: 730WHP

Tune Requirement: Yes

Recommended Tuning Suite: EcuTek, Bootmod3, MHD

Flow rate increase over Stock: 68%

Geometric displacement: 1.603cc/rev

Max Operating Pressure: 240 bar / 24 MPa / 3500 psi

• BMW 340i 2016 to 2018
  
• BMW 440i 2017 to 2020
• BMW 440i Gran Coupe 2017 to 2020
  
• BMW M140i 2016 to 2019
• BMW M240i 2017 to 2020

Download Installation Instructions

All items are dispatched direct from Precision Raceworks headquarters. We currently do not hold physical stock of this item. Thus we suggest contacting us via email or our website contact form prior to ordering so that we can confirm the lead time.

Please note you will be liabable for any customs, duties or taxes and must be paid as neccessary prior to release of your delivery, these are not included in the sale price.