The N55 Gauntlet HPFP Kit delivers the largest fuel flow increase available for the BMW N55 platform at the most competitive price point on the market. Flowing 70% more fuel than stock — and 4% more than the original Nostrum Big Bore — the 1170-250 Gauntlet provides serious fueling headroom for built engines and aggressive boost targets. Maximum operating pressure of 250 bar (3,625 psi) with a geometric displacement of 1.52 cc/rev.
Plug-and-play installation with zero hardware modifications required. The kit includes a specially designed ultra-low-profile knock sensor bolt to ensure proper clearance. Fully reversible to factory configuration. Supports up to 684 WHP on gasoline and 575 WHP on E85 (fuel system capacity). A calibration is required to start the vehicle after installation.
Key Features
- 70% fuel flow increase over the factory HPFP — largest available for N55
- Maximum operating pressure: 250 bar / 25 MPa / 3,625 psi
- Geometric displacement: 1.52 cc/rev
- Cast stainless steel Gauntlet construction
- Plug-and-play — zero hardware modifications
- Ultra-low-profile knock sensor bolt included for proper clearance
- Fully reversible to factory fuel system
- Every pump serialized and dynamically tested
- Tune required — EcuTek, MHD, and Bootmod3 supported
- Limited lifetime warranty
What’s Included
- High-capacity 1170-250 Gauntlet HPFP
- Low-pressure inlet tube with PTFE internals
- Stainless steel high-pressure outlet tube
- Pump adaptation flange
- Flange alignment tool
- Electrical harness adapter
- Installation hardware (including ultra-low-profile knock sensor bolt)
- Color installation guide
- Pump flow test data sheet
Vehicle Fitment
- 2011-2015 BMW 335i (F30/F31)
- 2013-2016 BMW 435i (F32/F33/F36)
- 2013-2016 BMW M235i (F22/F23)
- 2012-2016 BMW M135i (F20/F21)
- 2016-2018 BMW M2 (F87) — Non-Competition only
- 2013-2017 BMW 535i (F10/F11/F07)
- 2013-2017 BMW X3/X4 35i (F25/F26)
- 2014-2019 BMW X5/X6 35i (F15/F16)
- 2013-2018 BMW 640i (F06/F12/F13)
- 2013-2015 BMW 740i/Li (F01)
Backed by Nostrum Performance’s limited lifetime warranty. Includes installation guide, pump flow test data, and tuning support documentation.
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