Fuel Injector Clinic 660cc High Impedance Fuel Injector Set for BMW S58 M2, M3 & M4 (IS833-0660H-SP)
Upgrade the fueling performance of your BMW S58-powered build with the Fuel Injector Clinic IS833-0660H-SP 660cc High Impedance Fuel Injector Set. Designed specifically for S58 applications utilizing an aftermarket intake manifold or port injection kit, this six-injector package provides the precision, consistency, and reliability needed for high-performance street cars and track-focused builds. The 660cc-SP injectors deliver accurate fuel control while maintaining excellent idle quality and outstanding drivability.
Built around Fuel Injector Clinic's advanced 660cc-SP high impedance ball and seat injector technology, this injector set offers exceptional linearity and superior short pulse width repeatability, making tuning more predictable and accurate across the entire operating range. The IS833-0660H-SP is a plug and play fit to the OEM harness, allowing for straightforward installation on compatible port injection systems. Every injector is individually flow matched using Fuel Injector Clinic's exclusive Data Match Technology and includes a serial-number-specific calibration sheet with detailed flow and latency data for maximum tuning precision.
Quick Specs
- Part Number: IS833-0660H-SP
- Injector Size: 660cc/min (660cc-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 wiring harness
- Flow matched using Fuel Injector Clinic Data Match Technology
- Individually serial numbered with 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 S58 engines utilizing aftermarket port injection systems
- 660cc-SP high impedance injectors provide precise and repeatable fuel delivery
- Plug and play connection to the factory OEM harness for simplified installation
- Excellent injector linearity for predictable fueling throughout the RPM range
- Superior short pulse width repeatability improves tuning accuracy and drivability
- Fuel Injector Clinic Data Match Technology delivers industry-leading injector matching
- Each injector is individually serial numbered and supplied with detailed calibration data
- Flow tested and matched for consistent cylinder-to-cylinder fuel delivery
- Includes all required O-rings for the intended application
- Covered by Fuel Injector Clinic's lifetime warranty against manufacturing defects
Fitment
- 2021 BMW M3 (G80)
- 2022 BMW M3 (G80)
- 2023 BMW M3 (G80)
- 2024 BMW M3 (G80)
- 2025 BMW M3 (G80)
- 2026 BMW M3 (G80)
- 2021 BMW M4 Coupe (G82)
- 2022 BMW M4 Coupe (G82)
- 2023 BMW M4 Coupe (G82)
- 2024 BMW M4 Coupe (G82)
- 2025 BMW M4 Coupe (G82)
- 2026 BMW M4 Coupe (G82)
- 2021 BMW M4 Convertible (G83)
- 2022 BMW M4 Convertible (G83)
- 2023 BMW M4 Convertible (G83)
- 2024 BMW M4 Convertible (G83)
- 2025 BMW M4 Convertible (G83)
- 2026 BMW M4 Convertible (G83)
- 2023 BMW M2 (G87)
- 2024 BMW M2 (G87)
- 2025 BMW M2 (G87)
- 2026 BMW M2 (G87)
FAQs
Can these injectors replace the factory direct injection injectors?
No. The IS833-0660H-SP is designed for BMW S58 engines equipped with an aftermarket intake manifold or port injection kit. It is intended for supplemental port injection and is not a replacement for the factory direct injection system.
Why does Fuel Injector Clinic include Data Match calibration information?
Each injector is individually tested, flow matched, and assigned a unique serial number. The included calibration sheet provides injector-specific flow and latency values, allowing tuners to achieve greater accuracy, smoother drivability, and consistent fueling across all six cylinders.
Why Buy From Beefcake Racing?
Beefcake Racing proudly offers genuine Fuel Injector Clinic products backed by expert technical support, competitive pricing, and fast shipping. Whether you're building a responsive street car or a dedicated race vehicle, our experienced team can help you select the right fueling solution for your BMW S58 project.
Need help selecting injectors or port injection components? Contact our team today.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
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