Spool Performance FX-400 Upgraded High Pressure Pump [Gen 1 B58]

Unlock your BMW B58 Gen 1 engine's true potential with the Spool Performance FX-400 Upgraded High Pressure Fuel Pump. Designed for extreme high-performance builds, the FX-400 is a Stage 4 HPFP that delivers a 20% flow increase over the previous industry-leading FX200. This high-pressure fuel pump is a game-changer, ensuring your engine gets the fuel it needs for high horsepower and big turbo applications.

Key Features:

• 20% More Flow: The FX-400 pump offers an impressive 20% increase in fuel flow over the FX200, providing the support needed for high-performance builds.
• E85 Compatible: Fully E85 compatible, allowing you to run higher ethanol concentrations for more power and better performance.
• Plug and Play: The pump is designed for easy installation with no cutting or splicing required. Simply install and calibrate for seamless performance.
• Stage 4 Performance: Perfect for big turbo setups and builds pushing high horsepower numbers, ensuring your fuel system keeps up with the demand.
• Reliability: The FX-400 is built to handle the high pressure needed in direct injection (DI) systems while maintaining reliability at extreme fuel loads.

Tune Changes Required:

To unlock the full potential of the FX-400, calibration changes are required. Be sure to apply these changes before starting the car to avoid potential damage to your fuel system. Spool Performance can provide the necessary calibration details to your tuner or assist in connecting you with experienced professionals familiar with this fuel pump.

Fuel System Considerations:

It’s essential to upgrade your low-pressure fuel pump when using high-pressure systems like the FX-400. Insufficient low-pressure fueling can lead to damage to the high-pressure pump piston and bore. Proper fueling is crucial to maintaining system durability and ensuring long-lasting performance. Make sure to plan your fuel system upgrades accordingly to prevent issues and avoid voiding warranties.

Vehicle Fitment:

• BMW 240i (Gen 1 B58)
• BMW 340i (Gen 1 B58)
• BMW 440i (Gen 1 B58)
• BMW 540i (Gen 1 B58)
• BMW M240i
• BMW M340i
• BMW M440i
• BMW M140i (Gen 1 B58)

Why Choose the Spool Performance FX-400 HPFP?

If you're serious about pushing the limits of your BMW B58 Gen 1 engine, the FX-400 is an essential upgrade. Designed to fuel the most extreme builds, this pump ensures your engine can handle increased fuel demand, especially when running larger turbos or higher ethanol blends. Whether you're building a high-performance daily driver or a race car, the FX-400 is the key to maximizing your BMW’s performance and reliability.

Note: 'New' merchandise may be returned for exchange or refund within 15 days from the date of shipment. 'New' merchandise must be unused and free from installation or mounting damage. Installation or modification of parts waives your right to returns, refunds, or exchanges.