Spool IFX350 Upgraded DI Injectors +30% (S58 - M2/M3/M4/X3M/X4M)
Spool IFX350 Upgraded DI Injectors +30% (S58 - M2/M3/M4/X3M/X4M)
Spool IFX350 Upgraded DI Injectors +30% (S58 - M2/M3/M4/X3M/X4M)
Spool IFX350 Upgraded DI Injectors +30% (S58 - M2/M3/M4/X3M/X4M)
SKU: SP-INJ-S581

In stock

€2.585,95
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  • Untitled_design_-_2025-06-25T174335

    International delivery

  • Untitled_design_-_2025-06-25T174525

    Manufacturer warranty

  • Untitled_design_-_2025-07-02T083043

    Fast delivery

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    Need fitting? Message us

Product description

Delivery time

Warranty

Does this fit my vehicle?

Spool Performance proudly introduces the IFX 350, the pinnacle of Direct Injection (DI) injector technology for the S58 platform. These injectors are engineered for enthusiasts who demand unparalleled performance while preserving OEM-like engine reliability and control. Designed to integrate seamlessly with the factory DI system, the IFX 350 maintains smooth idle and low-load behavior, ensuring your engine’s integrity remains uncompromised, even at extreme power levels.

Key Features:

  • Enhanced Flow: A substantial 30% increase in flow rate over stock injectors.
  • High-Pressure Operation: Delivers consistent, reliable fuel flow at pressures up to 390 bar for superior atomization and efficient combustion.
  • OEM-Like Behavior: Maintains factory idle and low-load characteristics, eliminating the need for supplemental fuel systems.
  • Built for Power: Supports the journey to four-digit horsepower figures when paired with the FX350 high-pressure pump.

Unmatched Design and Precision

Each injector undergoes rigorous development and exhaustive testing to ensure exceptional performance and durability. The IFX 350 not only integrates seamlessly with Gen 2 B58 tuning platforms but also ensures a direct fit for G80, G82, G87, M3, M4, X3M, and M2 models. This means you can enjoy unmatched power and performance with the peace of mind that your engine’s reliability remains intact.

Tuning Support

To fully unlock the potential of the IFX 350, tuning modifications are required. Spool Performance is here to assist, providing comprehensive calibration support to ensure these injectors perform optimally with your setup.

Specifications:

  • Enhanced Flow: 30% increase over stock injectors.
  • High-Pressure Capability: Operates effectively at up to 390 bar.

Delivery times may vary depending on the product, location, and selected carrier.

Orders shipped within Poland typically arrive within 1–3 business days for express delivery and 2–5 business days for standard or free shipping.


For international shipments, express delivery usually takes 2–5 business days, while standard delivery ranges from 3–10 business days.


The shipping times listed below apply only to products currently in stock. For items available on a made-to-order basis, processing times may differ — in such cases, we recommend contacting our sales team for detailed information.


If you have any additional questions, feel free to reach out to our team via live chat or email:
info@crt-performance.pl

All our products come with a standard warranty of 1 to 3 years. The duration depends on the type of product. For more information, please visit our warranty page.

Please check the product page related to your question — each page includes detailed compatibility information.


If the information is missing or unclear, feel free to contact our team via live chat or by email at:


info@crt-performance.pl


We’ll be happy to help!

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