Spool Performance BMW N55 FX-150 High Pressure Fuel Pump - HPFP Upgrade For M135i, M235i, 335i, 435i, M2
Unlock reliable fueling headroom on your BMW N55 with the Spool Performance FX-150 High Pressure Fuel Pump. This direct-fit, plug-and-play HPFP upgrade delivers roughly 50 percent more flow than stock, is fully E85 compatible and is designed to support higher ethanol blends and bigger turbo setups on the F series and late E series N55 platform. Perfect for enthusiasts seeking dependable fuel delivery, stronger midrange and top-end, and stable rail pressure under hard use.
Why choose the FX-150 HPFP for your BMW N55
- Approximately 50 percent more flow than the factory N55 high pressure fuel pump
- Fully E85 compatible to run higher ethanol blends for power and knock resistance
- Supports bigger turbo upgrades and higher horsepower goals with proper tuning
- True plug-and-play install with no cutting or splicing required
- Improved fueling headroom for smoother power delivery and consistent rail pressure
- Backed by proven testing and strong community adoption on N55 engines
At Nforcd, we have supplied and fitted the FX-150 N55 HPFP for customers across the UK. Feedback has been excellent, with owners praising the upgrade for reliable fueling on tuned M135i, M235i, 335i, 435i and M2 builds using petrol or E85 blends.
Tuning requirements
Tune changes are required to use the FX-150. Calibration support is available from all major tuners, and Spool Performance can provide the necessary changes upon request. Proper tuning is essential for safe operation, especially when running ethanol blends or larger turbochargers.
Vehicle compatibility - BMW N55
Direct-fit for the following N55 applications:
-
1 Series
- E82 Coupe 03/2012-2013 - 135i
- E88 Convertible 03/2012-2013 - 135i
- F20 2011-2015 - M135i and M135ix
- F21 2011-2015 - M135i and M135ix
- F20 LCI 09/2015-06/2019 - M135i and M135ix
- F21 LCI 09/2015-06/2019 - M135i and M135ix
-
2 Series
- F22 09/2015-06/2017 - M235i and M235ix
- F22 LCI 09/2016-12/2019 - M235i and M235ix
- F23 09/2015-06/2017 - M235i and M235ix
- F23 LCI 10/2016-12/2019 - M235i and M235ix
- F87 M2 2014-2017 - M2
- F87 M2 2016+ - M2
-
3 Series
- F30 2011-2016 - 335i
- F30 LCI 10/2014-10/2018 - 335i
- F31 2011-2016 - 335i
- F31 LCI 10/2014-06/2019 - 335i
-
4 Series
- F32 2013-02/2017 - 435i and 435ix
- F32 LCI 05/2016-12/2019 - 435i and 435ix
- F33 03/2015-02/2017 - 435i and 435ix
- F33 LCI 05/2016-12/2019 - 435i and 435ix
- F36 Gran Coupe 03/2015-02/2017 - 435i and 435ix
- F36 Gran Coupe LCI 05/2016-12/2019 - 435i and 435ix
Important note for early E chassis: If you have an E9X 335i or E8X 135i built before 03/2012, you will need the Spool Performance BMW N54 N55 E90 E91 E92 E93 335i Helix HPFP Overdrive Unit for compatibility.
Fitting and support
Want professional installation of your BMW N55 HPFP upgrade? We offer in-house fitting at Nforcd, Warwickshire. Request a quote at Sales@nforcd.com.
Compatibility check before dispatch
To ensure the part fits your vehicle, we run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and our team will confirm fitment.
Key search terms
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Part number
SP-FX-150-N55
Manufacturer
Spool Performance