Fuel Injector Clinic 1200cc-SP High Impedance Fuel Injector Set for 2016-2025 BMW x40i (IS831-1200H-D)
Upgrade the fueling capability of your BMW x40i with the Fuel Injector Clinic IS831-1200H-D 1200cc-SP High Impedance Fuel Injector Set. Engineered 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 precision, consistency, and drivability needed for everything from high-performance street cars to serious track builds. Whether you're running premium pump fuel or E85, these injectors provide the fuel delivery and tuning stability required for demanding horsepower goals.
The IS831-1200H-D features Fuel Injector Clinic's advanced 1200cc-SP high impedance ball and seat injector technology, offering exceptional linearity and outstanding short pulse width repeatability for smooth idle quality and predictable fuel control throughout the RPM range. This injector set is a plug and play fit to the OEM harness, allowing for a straightforward installation on compatible port injection systems. Every injector is individually flow matched using Fuel Injector Clinic's proprietary Data Match Technology and includes a serial-number-specific Data Match Sheet with detailed flow and latency information for industry-leading tuning accuracy.
Quick Specs
- Part Number: IS831-1200H-D
- Injector Flow Rate: 1200cc/min (1200cc-SP)
- 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
- Includes all required O-rings for the intended application
- Lifetime warranty against manufacturing defects
Features
- Designed specifically for BMW x40i applications utilizing aftermarket port injection systems
- 1200cc-SP high impedance injectors provide exceptional fuel delivery and drivability
- Plug and play fit to the OEM-style injector harness
- Excellent injector linearity for accurate fuel control
- Superior short pulse width repeatability improves idle quality and throttle response
- Fuel Injector Clinic Data Match Technology delivers industry-leading injector matching
- Each injector is individually serial numbered with detailed flow and latency data
- Flow tested and matched for consistent cylinder-to-cylinder performance
- Application-specific O-rings included
- 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 utilizes a custom intake manifold, fuel rail, or other non-standard components, please verify compatibility before ordering.
FAQs
Do these injectors replace the factory direct injection system?
No. The IS831-1200H-D is designed for BMW x40i engines equipped with an aftermarket intake manifold or supplemental port injection kit. It is not a replacement for the factory direct injection system.
What is the advantage of Fuel Injector Clinic's Data Match Technology?
Each injector is individually tested, dynamically flow matched, and assigned a unique serial number. The included Data Match Sheet provides injector-specific flow and latency values, allowing tuners to achieve more precise ECU 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 knowledgeable technical support. Whether you're upgrading a street-driven BMW x40i or building a dedicated race vehicle, our experienced team can help you select the proper fueling 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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