G4X XtremeX - 109-4000 - Link ECU

G4X XtremeX - 109-4000
Link ECU

The XtremeX is one of Link’s premium ECU’s with more inputs, outputs and features.

The XtremeX delivers built in E-throttle and all the advanced features including Anti-lag, Cruise Control and Traction Control.

With 8 Injector drives and 8 ignition drives the XtremeX can control up to 4 rotors or 8 cylinders with sequential injection and direct spark. 

The XtremeX is a great choice for professional level motorsport or more demanding road car applications.

RRP: £1,830.00
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  • Description

    The XtremeX is one of Link’s premium ECU’s with more inputs, outputs and features.

    The XtremeX has built in E-throttle and all the advanced features including Anti-lag, Cruise Control and Traction Control.

    With 8 Injector drives and 8 ignition drives the XtremeX can control up to 4 rotors or 8 cylinders with sequential injection and direct spark. The XtremeX is a great choice for professional level motorsport or more demanding road car applications.

    Please note: for peak & hold please contact a Link ECU Sales Person to purchase a G4+ Xtreme ECU.

     Requires "A" & "B" Looms for installation.

    If it is Onboard Digital Wideband Lambda Control you are after, consider the Fury.

  • Features


    8/10* x Digital inputs

    4 x Temperature inputs

    11 x Analog inputs

    2 x Trigger inputs

    2 x Knock inputs

    *2 inputs required when using 2nd CAN Bus


    8 x injection drives

    8 x Ignition drivers

    10 x Auxiliary outputs^

    +5V Sensor power supply

    +8V Sensor power supply

    ^unused fuel and ignition drives can be used as additional Aux outputs


    2* x CAN bus

    1x Serial (RS232) connection

    1x USB tuning connection

    Faster communications than G4+ models

    512 Megabytes Data Logging


    Dimensions: 185mm(L) x 130mm(W) x 40mm(H) (without looms)

    Mass: 680grams

    Advanced features not found on the Storm:

    Fully programmable E-throttle control complete with capability of gear shift throttle blip and antilag.

    Cruise control.

    Two independent CAN modules.

    30 general purpose tables (up from 20)

    All Motorsport features including full gear shift control, cruise control, traction control, antilag and launch control.

    Advanced closed loop lambda strategy and dual bank lambda control.

    What's in the box?

    Supplied with USB tuning cable and mounting bracket. 

    *Requires “A” & “B” looms or “A” & “B” connector kits, sold separately. 

  • Specifications

    Engine Configurations

    • 1-12 Cylinder Distributed
    • 2-12 Cylinder Wasted Spark
    • 1-8 Cylinder Direct Spark
    • Odd Fire Engines
    • 2-Stroke, 4 Stroke and Rotary Engines
    • Configurable Firing Order
    • Configurable TDC Points (for odd fire)


    • 8 x High Current Injector Drives (suits high impedance injectors)
    • 8 x Ignition Channels
    • 8 x Auxiliary Outputs (All PWM capable). Aux5-8 can control Stepper Motors and drive High or Low
    • 8/10* x Digital Inputs (all capable of reading frequencies up to 10kHz). *2 inputs required when using 2nd CAN Bus.
    • +5V Out
    • +8V Out
    • 4 Temperature Inputs (Configurable pull-ups on ANT1&2)
    • 11 x 0-5V Analogue Inputs
    • 2 x Trigger Inputs (Reluctor, Optical or Hall Sensors)
    • On Board Baro
    • 3 Axis Accelerometer

    Fueling adjustments

    • Traditional, Modelled and Modelled Multi-Fuel Equations
    • Single-Point Group, Multi-Point Group, Sequential, Semi-Sequential, Group Staged, Sequential Staged and Sequential/Multi Point Group Staged injection modes
    • Asynchronous injection (can add more fuel after initial injection if conditions change)
    • Quick tune (automated fuel tuning)
    • Up to 440 Zone Fuel Table with configurable load and RPM centers. Configurable X and Y Axis Parameters
    • Multiple Fuel Tables
    • Up to 6D Fuel Mapping (3D Fuel Table + 3x3D Overlay trim tables)
    • Injection Rate Control for Group Injection Modes
    • Master Enrichment for Traditional Fuel tuning
    • Pre-Crank Prime
    • First Crank Prime
    • Crank Enrichment
    • Post Start Enrichment
    • Warm Up Enrichment
    • Acceleration Enrichment
    • IAT Fuel Correction
    • Injector Deadtime Compensation
    • Injector Short Pulse Width Compensation
    • Injector Timing Control with Beginning, Middle or End Injection Definable
    • AFR Table Correction
    • Dual Closed Loop Lambda
    • Individual Cylinder Fuel Trims
    • Overrun Fuel Cut
    • Idle Load Trims
    • Fuel Temperature Correction
    • Barometric pressure compensation
    • Injector test function

    Ignition Adjustments

    • Distributor, Twin Distributor, Wasted Spark, Direct Spark, Rotary leading Wasted and Rotary
    • Leading Direct Ignition Modes
    • Up to 440 Zone Ignition Table with configurable load and RPM centers. Configurable X and Y Axis Parameters
    • Configurable Maximum Advance
    • Configurable Spark Duration
    • Configurable Spark Edge
    • Dwell Time Table with configurable X and Y Axis Parameters
    • Multiple Ignition Tables
    • Up to 6D Ignition Mapping (3D Ignition Table + 3x3D Overlay Trim Tables)
    • Individual Cylinder Ignition Trim
    • IAT Trim
    • Voltage Correction
    • ECT Trim
    • OEM Compatibility
    • CDI Compatibility
    • Transient ignition retard
    • Adjustable ignition delay compensation
    • Ignition test function
    • Idle ignition control


    • Engine Temperature Dependent Progressive Limiting
    • Dual Vehicle Speed Limits
    • System Voltage Limit
    • User Configurable RPM Limits based on external input
    • MAP Limit with dual tables
    • Optional hard cut
    • Progressive cut control
    • Selectable fuel or ignition limiting
    • Ignition trim and configurable trim decay
    • Adjustable control range
    • Selectable cut effect (adaptive or constant)

    Auxiliary Output Options

    • Each Output independently configurable
    • Unused ignition and Fuel outputs available as auxiliary outputs
    • General Purpose Outputs
    • General Purpose PWM Outputs
    • Fuel Pump Control
    • Fuel Pump Speed Control
    • Engine Fan Control
    • Air Con Clutch Control
    • Air Con Fan Control
    • Intercooler Spray Control
    • Tacho Control
    • Speedo Control
    • Check Engine Light
    • Purge Solenoid
    • Oxygen Sensor Heater
    • Switched Cam Solenoid Control
    • ECU Hold Power Control
    • Shift Light Control
    • Starter Control
    • VVT Cam Solenoid
    • Boost Control Solenoid
    • Test functions for each output
    • Closed loop Stepper Control & Rotary Oil Pump Control
    • Idle Speed Soloenoid
    • Idle Speed Stepper
    • Internal Ethrottle Controller
    • External EThrottle

    Digital Inputs

    • Each channel independently configurable with pull-up resistors and active state control
    • All digital inputs capable of reading frequencies of up to 10kHz
    • Duty Cycle measuring on all digital inputs
    • Turbo speed
    • Ethanol Sensor Control
    • Wheel Speed Detection on all digital inputs with additional general-purpose speed inputs
    • Anti-Theft control through digital inputs, over CAN or both
    • General Purpose switches, speeds, rpms and frequencies
    • large variety of input types

    Analog Inputs

    • Each input independently configurable with preset or custom calibrations and configurable fault conditions
    • Built in 3 axis accelerometer
    • Built in Barometric Pressure Sensor
    • Large variety of Analog input functions
    • General Purpose Temperatures, Pressures, Rotary Switches and more
    • Analog Inputs can also be used as Digital Inputs
    • Large number of built in calibrations
    • Ten Calibration Tables and 3 Linear Calibrations for when a custom calibration is required


    • Digital Trigger Decoding
    • Reluctor, Optical Proximity or Hall Sensors
    • Programmable filtering and arming thresholds
    • Configurable trigger patterns or preset triggering options
    • Supports nearly all OEM trigger patterns and custom trigger arrangements

    Programmable Math Processing

    • Eight individually controllable math channels with up to four parameters in each
    • Math channels can be used as table axis’s and as digital or analog inputs

    Motor-Sport Features

    • Anti Lag
    • Launch control
    • Gear Shift Control (Digital Inputs, Gear Lever Force or Gear Barrel Position)
    • Traction control

    Anti-Lag System

    • Dual 3D Fuel enrichment, Ignition cut and Ignition retard Tables
    • Optional Cyclic idle (normal and cool-down)
    • Optional 3D Idle controller Override Tables (one for Antilag and one for Cyclic Idle)
    • Lockout condiitons based on engine speed and throttle position with hysteresis

    Launch Control

    • Single RPM, 3D RPM Table or Latched (RPM when button pressed) Launch modes
    • Progressive cut control
    • Selectable fuel or ignition limiting
    • Selectable cut effect (adaptive or constant)
    • Adjustable control range
    • Vehicle speed controlled
    • Ignition Trim with optional 3D table and relative or absolute ignition angle options
    • Optional 3D Fuel Trim table

    Gear Shift Control

    • Digital input (clutch switch), gear lever force (sequential gearbox), gear lever force (H pattern gearbox), and gear barrel position sensor input options
    • Timed or controlled modes
    • Adjustable progressive cut levels
    • Power re-introduction control
    • Ignition retard control
    • Fuel enrichment control
    • Cut duration based on gear

    Traction Control

    • Disable switch
    • Various Lockout conditions
    • Multiple 3D slip Threshold tables
    • Traction Control - controlled tyre slip to improve vehicle safety and driveability
    • Uses an advanced Torque Management system to reduce engine torque

    Idle Control

    • Solenoid, Stepper or EThrottle Control
    • Open or Closed loop actuator control and Closed loop Ignition control available
    • Large variety of position offsets for open loop and additional target offsets for closed loop actuator control
    • Specific start-up offsets and hold times
    • Dashpot functionality to smooth re-entry into idle and prevent undershoot

    Electronic Throttle Control

    • Has an internal EThrottle Controller and supports external controllers
    • Multiple 3D target tables

    Boost Control

    • Open or Closed Loop Boost Control
    • Multiple Target and Base Position Tables
    • Multiple Trim tables
    • Boost by Gear control

    Knock Control

    • 2 Built in Knock inputs
    • Fuel Enrichment and Ignition Retard functionality
    • Adjustable frequency filter
    • Adjustable gain (per cylinder)
    • Individual cylinder detection
    • Individual cylinder ignition retard and fuel enrich
    • Adjustable detection angle (start/end)
    • Noise threshold table (3D)
    • Adjustable ignition retard and fuel enrich sensitivity
    • Configurable ignition reintroduction and fuel enrich decay

    Variable Valve Timing Control

    • Up to 4 cams independent control
    • Supports many OEM applications
    • Closed loop control
    • Multiple 3D Cam angle target tables
    • Optional advanced PID control settings for advanced tuners
    • Automatic function for calibrating cam angles

    Chassis and Body

    • AC Control - Basic and Advanced modes available
    • AntiTheft - Via Digital Input, CAN or both
    • Speed based cruise control (EThrottle only)
    • Gear Detection - CAN, RPM/Speed or Analog Position Sensor
    • Individual wheel speed sources with the ability to specify Driving and Non-Driving wheel speed sources
    • Starter control - Multiple options available from very basic to Touch to start.
    • Torque Management


    • 512 Megabytes of Datalogging
    • Up to 250 ECU Logging channels
    • Up to 1kHz per channel with a maximum total sample rate of 100kSamples/s when using ECU Logging
    • Unlimited channels when using PCLink logging


    • Tuning Port USB on board
    • Two CAN buses
    • Custom CAN configuration allowing tuners and end users to add support for new CAN devices


    • 150 MHz Specialised Engine Management Microprocessor
    • Ignition control to 0.1 degree, fuel to 0.01 ms
    • 32 Bit Floating Point Calculation
    • 12 Bit ADC Resolution
    • 20000+ RPM
    • 4Gb Non Volatile Flash


    • Internal Temperature Range -10 - 85oC
    • Ambient Temperature Range -30 - 90oC
    • Voltage 8 - 22V
    • Operating Current 200mA
    • Electrical protection on all inputs and outputs
    • Onboard Barometric Pressure Sensor

    Packaging Contents

    • G4X XtremeX ECU
    • Wiring and Installation Instructions
    • 2 large Link Stickers
    • 2 small Link Stickers

    Manufacturing Standard

    • ISO 13485