Fuel Injector Clinic 1440cc High Impedance Fuel Injector Set for 2016-2025 BMW x40i (IS831-1440H)
Bridge the gap between street manners and race-ready fuel capacity with the Fuel Injector Clinic IS831-1440H 1440cc High Impedance Fuel Injector Set. Designed specifically for 2016-2025 BMW x40i applications equipped with an aftermarket intake manifold or port injection kit, this matched set of six injectors delivers the fuel volume needed for serious horsepower while maintaining the excellent idle quality and drivability that Fuel Injector Clinic injectors are known for. Whether your build runs on pump gasoline, E85, or race fuel, the IS831-1440H offers the performance and consistency required for demanding street and competition applications.
Built around advanced high impedance ball and seat injector technology, the IS831-1440H provides exceptional linearity and short pulse width repeatability for precise fuel control throughout the RPM range. This application features a plug and play fit to the OEM-style injector harness, simplifying installation on compatible port injection systems. Every injector is individually serial numbered and matched using Fuel Injector Clinic's proprietary Data Match Technology, with a detailed Data Match Sheet included to provide injector-specific flow and latency information for more accurate ECU calibration.
Positioned between Fuel Injector Clinic's 1200cc and 1650cc injectors, the 1440cc model offers an ideal balance of high horsepower capability and outstanding street drivability. Its stainless alloy valve construction allows compatibility with virtually every popular performance fuel, making it an outstanding choice for enthusiasts who demand flexibility without compromising tuning precision.
Quick Specs
- Part Number: IS831-1440H
- Injector Flow Rate: 1440cc/min
- Injector Quantity: 6
- High impedance (saturated) ball and seat injectors
- Designed for aftermarket intake manifold or port injection kit applications
- Plug and play fit to the OEM-style harness
- Flow matched using Fuel Injector Clinic Data Match Technology
- Individually serial numbered with injector-specific calibration data sheet included
- Flow tested at 43.5 PSI (3 Bar) using CF-16B calibration fluid at 90 degrees Fahrenheit
- Compatible with pump gasoline, E85, Q16, VP Import, FTW, MTBE oxygenated race fuels, and other performance fuels
- Stainless alloy valve construction
- Application-specific O-rings included
- Lifetime warranty against manufacturing defects
Features
- Designed for BMW x40i applications utilizing aftermarket port injection systems
- 1440cc injectors provide an ideal balance between 1200cc and 1650cc fuel capacity
- Plug and play fit to the OEM-style injector harness
- Excellent idle quality with outstanding street drivability
- High impedance ball and seat design provides excellent linearity
- Superior short pulse width repeatability for accurate fuel control
- Fuel Injector Clinic Data Match Technology delivers industry-leading injector consistency
- Compatible with gasoline, E85, Q16, VP Import, FTW, MTBE oxygenated race fuels, and other performance fuels
- Stainless alloy valve construction for outstanding fuel compatibility and durability
- Each injector is individually serial numbered and supplied with a detailed Data Match Sheet
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects
Fitment
- 2016-2025 BMW x40i models equipped with the applicable aftermarket intake manifold or port injection kit.
Important: The IS831-1440H is designed for use with an aftermarket port injection system and is not a replacement for the factory direct injection injectors. If your vehicle utilizes a custom intake manifold, fuel rail, or other non-standard components, please verify compatibility before ordering.
FAQs
What fuels are compatible with the IS831-1440H?
Thanks to its stainless alloy valve construction, the IS831-1440H is compatible with pump gasoline, E85, Q16, VP Import, FTW, MTBE oxygenated race fuels, and virtually all commonly used performance fuels.
Why choose the 1440cc injector over the 1200cc or 1650cc versions?
The 1440cc injector fills the gap between Fuel Injector Clinic's 1200cc and 1650cc offerings, providing increased fuel capacity for higher horsepower builds while maintaining excellent idle quality, drivability, and broad fuel compatibility.
Why Buy From Beefcake Racing?
Beefcake Racing proudly offers genuine Fuel Injector Clinic products backed by competitive pricing, fast shipping, and knowledgeable technical support. Whether you're building a powerful street-driven BMW or a dedicated race car, our team can help you select the ideal injector package and supporting fuel system components for your performance goals.
Need help selecting injectors or port injection components for your build?
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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