Split Second AIC1-6 Aux Fuel Controller - Additional Injector Driver/Port Injection (PI) Controller, 6-Channel EV6 USCAR High Impedance, PC Tunable - Piggyback ECU for Turbo/Supercharged BMW N54/N55 135i 335i (101-0030)

Split Second AIC1-6 Auxiliary Fuel Control Unit | Six-Channel Injector Driver | Part 101-0030

Add rock-solid extra fuelling to your boosted build with the genuine Split Second AIC1-6. This six-output auxiliary injection module delivers smooth, scalable fuel enrichment under boost while your factory ECU continues to run cruise and idle. Perfect for BMW N54 and N55 projects using a port fuel rail, the AIC1-6 is a proven way to achieve even distribution and stable air-fuel ratios on turbo or supercharger setups without upsetting OEM strategies.

We have fitted and calibrated this unit on our own cars and customer vehicles with excellent results. Response is consistent, mapping is straightforward and reliability is exactly what you want from a performance fuel solution.

Why this AIC1-6 is a winner for your build

• Six-channel injector driver for straight-six engines, ideal for BMW N54 and N55 port fuel upgrades
• Boost-referenced enrichment that only adds fuel when needed for clean drivability
• Works alongside the original ECU so daily manners remain OEM-like
• PC-tuneable using Split Second R4 software for precise, repeatable mapping
• Tach-synchronised injection for even cylinder-to-cylinder fueling at high load
• EV6 style USCAR plugs for easy integration with common high impedance injectors
• Trusted by tuners for hybrid turbo, big boost and forced induction conversions

Technical highlights

• Model: Split Second AIC1-6 auxiliary injection control unit
• Part number: 101-0030
• Outputs: 6 injector channels, high impedance compatibility
• Connector style: EV6 USCAR
• Supply: 12 V DC
• Tuning interface: RS232 link using Split Second R4 PC software
• Typical wiring reference: Red 12 V positive, Black 12 V ground, Yellow-Black tach input, Green MAP sensor input
• Approximate weight: 0.95 lb
• Designed to deliver supplemental fueling in boost while retaining OEM control in vacuum

What is included

• Split Second AIC1-6 control unit with integrated harness
• Pre-wired EV6 USCAR injector connectors
• Split Second R4 software on CD and available for download

Note: RS232 programming lead required, supplied separately.

Vehicle suitability

Developed for six-cylinder boosted applications and widely used on BMW platforms with N54 or N55 engines, including:

• 1 Series
  • 2007-2013 E82 Coupe 135i and 1M
  • 2007-2013 E88 Convertible 135i
• 2 Series
  • 2014+ F22 M235i
  • 2014+ F23 M235i Convertible
• 3 Series
  • 2007-2011 E90 335i and 335xi
  • 2007-2011 E91 335i and 335xi Touring
  • 2007-2013 E92 335i and 335xi Coupe
  • 2008-2013 E93 335i and 335xi Convertible
  • 2012-2014 F30 335i and 335ix
  • 2012-2014 F34 335ix Gran Turismo
• 4 Series
  • 2014 F32 435i and 435xi Coupe
  • 2014 F33 435i and 435xi Convertible
• 5 Series
  • 2007-2009 E60 535i and 535xi
  • 2007-2009 E61 535i and 535xi Touring
• 6 Series
  • 2011+ F13 640i Coupe
  • 2011+ F12 640i Convertible
  • 2011+ F06 640i Gran Coupé
• 7 Series
  • 2011+ F01 740i
  • 2011+ F02 740Li and 740LiX
• X Series
  • 2012+ E84 X1 xDrive35i
• Z Series
  • 2009+ E89 Z4 35i and 35is
• M Series
  • F87 M2 N55

We check suitability before dispatch. Add your UK registration number or the last 7 digits of your VIN at checkout and we will confirm compatibility.

Professional fitting and support

For best results we recommend expert installation and calibration. MJ Modifications offers fitting and setup in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Legal notice

For off-road and motorsport use only. Not approved for road use.

Manufacturer

Split Second

Part number

101-0030

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