Fuel Injector Clinic 1200cc High Impedance Fuel Injector Set for 2016-2025 BMW x40i (IS831-1200H)
Take your BMW x40i fuel system to the next level with the Fuel Injector Clinic IS831-1200H 1200cc 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, consistency, and tuning precision required for high-performance street cars and serious race builds. Whether you're increasing boost, converting to E85, or simply building in room for future horsepower, the IS831-1200H offers dependable performance with excellent drivability.
Built using advanced high impedance ball and seat injector technology, the IS831-1200H provides exceptional linearity and short pulse width repeatability for smooth idle quality and precise fuel control throughout the RPM range. This kit includes Jetronic Quick Release injector pigtails (PGTJETQ6), while USCAR adapter harnesses (PADPJtoU6) are available separately for additional installation flexibility. Every injector is individually flow matched using Fuel Injector Clinic's proprietary Data Match Technology and includes a serial-number-specific Data Match Sheet containing detailed flow and latency information for accurate ECU calibration.
Quick Specs
- Part Number: IS831-1200H
- Injector Flow Rate: 1200cc/min
- Injector Quantity: 6
- High impedance (saturated) ball and seat injectors
- Designed for aftermarket intake manifold or port injection kit applications
- Includes Jetronic Quick Release injector pigtails (PGTJETQ6)
- Optional USCAR adapter harnesses available (PADPJtoU6)
- 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
- Application-specific O-rings included
- Lifetime warranty against manufacturing defects
Features
- Designed for BMW x40i applications utilizing aftermarket port injection systems
- 1200cc injectors provide excellent fuel capacity for high-horsepower builds
- Includes Jetronic Quick Release injector pigtails for installation
- Optional USCAR adapter harnesses available for additional compatibility
- Excellent injector linearity for precise fuel delivery
- Superior short pulse width repeatability improves idle quality and throttle response
- Fuel Injector Clinic Data Match Technology delivers industry-leading injector consistency
- Each injector is individually serial numbered and includes a detailed Data Match Sheet
- Application-specific O-rings included for the intended installation
- 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: These injectors are intended for use with an aftermarket port injection system and are not a replacement for the factory direct injection injectors. If your application uses a custom intake manifold, fuel rail, or other non-standard components, please verify compatibility before ordering.
FAQs
Do these injectors include injector connectors?
Yes. The IS831-1200H includes six Jetronic Quick Release injector pigtails (PGTJETQ6). Optional PADPJtoU6 adapter harnesses are also available for applications requiring USCAR connectors.
What is Fuel Injector Clinic's Data Match Technology?
Each injector is individually flow tested, dynamically matched, and assigned a unique serial number. The included Data Match Sheet provides injector-specific flow and latency values, helping tuners achieve more accurate calibration, improved drivability, and excellent cylinder-to-cylinder fuel consistency.
Why Buy From Beefcake Racing?
Beefcake Racing proudly supplies genuine Fuel Injector Clinic products backed by competitive pricing, fast shipping, and expert technical support. Whether you're upgrading a street-driven BMW x40i or building a dedicated race car, our experienced team can help you choose the proper injectors and supporting fuel system components for your horsepower 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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