Fuel Injector Clinic 1440cc High Impedance Fuel Injector Set for 2007-2016 BMW x35i N54 / N55 (IS834-1440H)
Take your BMW N54 or N55 build to the next level with the Fuel Injector Clinic IS834-1440H 1440cc High Impedance Fuel Injector Set. Designed specifically for 2007-2016 BMW x35i applications equipped with an aftermarket intake manifold or port injection kit, this six-injector package delivers the fuel capacity needed for serious street and race combinations while maintaining exceptional idle quality and drivability. Positioned between Fuel Injector Clinic's 1200cc and 1650cc offerings, the 1440cc injector is an outstanding choice for high-horsepower builds running gasoline, E85, or aggressive race fuels.
Built around advanced high impedance ball and seat injector technology, the IS834-1440H offers excellent linearity and outstanding short pulse width repeatability for precise fuel control throughout the RPM range. This injector set is a plug and play fit to the OEM harness, making installation simple 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 information, providing tuners with industry-leading calibration accuracy.
Fuel Injector Clinic's 1440cc high impedance injector fills the gap between the company's 1200cc and 1650cc injectors, offering exceptional versatility for modern performance builds. Featuring a stainless alloy valve construction, these injectors are compatible with virtually every commonly used performance fuel while delivering excellent idle quality on street-driven vehicles and supporting substantial horsepower increases.
Quick Specs
- Part Number: IS834-1440H
- Injector Size: 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 wiring 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
- Stainless alloy valve construction
- Compatible with pump gasoline, E85, Q16, VP Import, FTW, MTBE oxygenated race fuels, and other performance fuels
- Includes all required O-rings for the intended application
- Lifetime warranty against manufacturing defects
Features
- Designed specifically for BMW N54 and N55 x35i engines utilizing aftermarket port injection systems
- 1440cc high impedance injectors provide exceptional fuel delivery for high-horsepower applications
- Plug and play connection to the factory OEM harness for simplified installation
- Excellent injector linearity for precise fueling throughout the operating range
- Superior short pulse width repeatability improves idle quality and tuning accuracy
- Fuel Injector Clinic Data Match Technology provides industry-leading injector matching
- Stainless alloy valve construction delivers broad fuel compatibility
- Each injector is individually serial numbered and supplied with a detailed calibration data sheet
- Flow tested and matched for consistent cylinder-to-cylinder fuel delivery
- Backed by Fuel Injector Clinic's lifetime warranty against manufacturing defects
Fitment
- 2007 BMW 335i (N54)
- 2008 BMW 335i (N54)
- 2009 BMW 335i (N54)
- 2010 BMW 335i (N54 / N55)
- 2011 BMW 335i (N55)
- 2012 BMW 335i (N55)
- 2013 BMW 335i (N55)
- 2014 BMW 335i (N55)
- 2008 BMW 135i (N54)
- 2009 BMW 135i (N54)
- 2010 BMW 135i (N54)
- 2011 BMW 135i (N55)
- 2012 BMW 135i (N55)
- 2013 BMW 135i (N55)
- 2011 BMW 335is (N54)
- 2012 BMW 335is (N54)
- 2013 BMW 335is (N54)
- 2009 BMW Z4 sDrive35i (N54)
- 2010 BMW Z4 sDrive35i (N54)
- 2011 BMW Z4 sDrive35i (N54)
- 2012 BMW Z4 sDrive35i (N54)
- 2013 BMW Z4 sDrive35i (N54)
- 2014 BMW Z4 sDrive35i (N54)
- 2015 BMW Z4 sDrive35i (N54)
- 2016 BMW Z4 sDrive35i (N54)
- 2010 BMW Z4 sDrive35is (N54)
- 2011 BMW Z4 sDrive35is (N54)
- 2012 BMW Z4 sDrive35is (N54)
- 2013 BMW Z4 sDrive35is (N54)
- 2014 BMW Z4 sDrive35is (N54)
- 2015 BMW Z4 sDrive35is (N54)
- 2016 BMW Z4 sDrive35is (N54)
FAQs
What fuels are compatible with the IS834-1440H?
The 1440cc injector features a stainless alloy valve construction and is compatible with pump gasoline, E85, Q16, VP Import, FTW, MTBE oxygenated race fuels, and virtually all commonly used performance fuels.
Do these injectors replace the factory direct injection injectors?
No. The IS834-1440H is designed for BMW N54 and N55 engines equipped with an aftermarket intake manifold or port injection kit. They are intended for supplemental port injection and are not a replacement for the factory direct injection system.
Why Buy From Beefcake Racing?
Beefcake Racing proudly carries genuine Fuel Injector Clinic products backed by competitive pricing, fast shipping, and expert technical support. Whether you're building a powerful street-driven N54 or an all-out N55 race car, our knowledgeable team can help you select the right fueling solution for your 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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