Spool Performance Stage 1 IFX350 Upgraded DI Injectors +30% [Gen 2 B58] - SP-INJ-B582

Unlock more power and reliability with Spool Performance’s Stage 1 IFX350 Upgraded DI Injectors for the Gen 2 B58 engine. These injectors are designed to provide a 30% flow increase over stock injectors, making them perfect for those seeking to push the limits of their engine’s performance while maintaining stock-like idle and low-load characteristics. Perfectly engineered for high-load and high-rpm conditions, the IFX350 injectors are the ideal upgrade for enthusiasts aiming to increase fuel delivery without sacrificing engine control.

Key Features:

• +30% Flow Increase: These injectors flow 30% more fuel than stock DI injectors, providing the necessary fuel for higher power levels, especially under high load and at high rpm.
• Pressure Handling: Capable of supporting up to 390 bar pressure, ensuring consistent and reliable fuel delivery even at high power outputs.
• Stock-Like Idle: Designed to retain stock idle and low-load behavior, ensuring a smooth, OEM-like driving experience at normal conditions.
• Proven Performance: Developed and tested on Spool Performance’s own cars, these injectors have been optimized for maximum flow and reliability, including powering the current Gen 2 DI-only world record B58 car.
• Tuning Support: Full calibration support for all major Gen 2 B58 tuning platforms, ensuring you get the most out of your setup. Tune changes are required for proper injector operation, and Spool Performance will assist with the process.

Warranty:

These injectors come with a 1-year warranty from the date of purchase, ensuring that your investment is protected for the long term.

Exclusive Offer for FX350 Pump Customers:

If you have already purchased the FX350 high-pressure fuel pump directly from Spool Performance, contact us with your order number to receive a one-time 15% discount code for the IFX350 injectors.

Fitment:

• BMW M340i
• BMW M440i
• Gen 2 B58 Engines

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.