Fuel Injector Clinic 1650cc High Impedance Fuel Injector Set (IS803-1650H) - 1986-1991 BMW E30 M3
Built for serious horsepower, the Fuel Injector Clinic IS803-1650H Fuel Injector Set gives your BMW E30 M3 the fuel delivery capacity needed for extreme forced induction combinations without sacrificing street manners. This complete set of four 1650cc saturated (high impedance) ball and seat injectors utilizes the latest injector technology to deliver outstanding fuel control, exceptional linearity, and industry-leading short pulse width performance. Even at this impressive flow rate, these injectors provide excellent idle quality and drivability, making them an outstanding choice for both street-driven and dedicated race vehicles.
As Fuel Injector Clinic's largest high impedance injector, the 1650cc injector offers exceptional versatility thanks to its stainless alloy valve construction. It is fully compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels while providing the fuel capacity required for today's high-horsepower engine combinations. Every injector is individually flow tested, matched, and serial numbered using Fuel Injector Clinic's proprietary Data Match Technology, with a detailed Data Match Sheet included for precise ECU calibration. This injector set is a true Plug and Play fit to the OEM wiring harness, includes all required O-rings for installation, and is backed by Fuel Injector Clinic's Lifetime Warranty against defects in original manufacture.
Quick Specs
- Manufacturer: Fuel Injector Clinic
- Part Number: IS803-1650H
- Injector Size: 1650cc
- Quantity: Four injectors
- Injector Type: Saturated / High Impedance Ball and Seat
- Vehicle Application: BMW E30 M3
- Wiring: Plug and Play fit to OEM harness
- Flow Rating: Rated at 43.5 PSI (3 Bar)
- Flow Test Fluid: CF-16B calibration fluid
- Flow Test Temperature: 90 degrees Fahrenheit
- Matching Method: Fuel Injector Clinic Data Match Technology
- Fuel Compatibility: Pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels
- Installation: Includes all required O-rings for the factory application
- Warranty: Lifetime Warranty against defects in original manufacture
Features
- Complete set of four 1650cc saturated (high impedance) fuel injectors.
- Designed specifically for the 1986-1991 BMW E30 M3.
- Fuel Injector Clinic's largest high impedance injector.
- Excellent idle quality despite its high flow capacity.
- Supports high-horsepower applications on both gasoline and E85.
- Compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels.
- Stainless alloy valve construction for outstanding fuel compatibility.
- Exceptional linearity and superior short pulse width repeatability.
- Matched using Fuel Injector Clinic's proprietary Data Match Technology.
- Each injector is individually serial numbered.
- Includes Data Match Sheet with individual flow and latency values.
- Flow tested at 43.5 PSI (3 Bar).
- Tested at 90 degrees Fahrenheit using CF-16B calibration fluid.
- Plug and Play fit to the factory OEM wiring harness.
- Includes all required O-rings for the factory application.
- Backed by Fuel Injector Clinic's Lifetime Warranty.
Fitment
- 1986 BMW E30 M3
- 1987 BMW E30 M3
- 1988 BMW E30 M3
- 1989 BMW E30 M3
- 1990 BMW E30 M3
- 1991 BMW E30 M3
FAQs
Do these injectors require wiring modifications?
No. The IS803-1650H is a Plug and Play injector set that connects directly to the factory BMW E30 M3 wiring harness without requiring pigtails or wiring changes.
What fuels are these injectors designed to support?
The stainless alloy valve construction makes these injectors compatible with pump gasoline, E85, Q16, VP Import, FTW, and other MTBE oxygenated race fuels while maintaining excellent drivability and tuning characteristics.
Why Buy from Beefcake Racing?
Beefcake Racing proudly offers genuine Fuel Injector Clinic fuel system components backed by knowledgeable technical support and exceptional customer service. Whether you're restoring an E30 M3 or building a high-horsepower street or race car, our team can help you select the ideal injectors for your combination. Contact us at sales@beefcakeracing.com or call 1-855-827-7223 for expert assistance.
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