The BMW e36 Link is a direct plug in replacement of the factory BMW ecu.  The factory ECU case is used to cover the Link board.  A small modification to the case is needed to allow for a vacuum line to connect to the internal Link ecu features an on-board 4.0 MAP sensor.

With the Link BMW e36 OBDI M50/S50 plug in standalone engine management “chip tunes” are a thing of the past.  This engine management system allows for tremendous flexibility and can handle any custom engine set up from NA to turbo / supercharged combinations this plug in unit is up to the task.

The BMW e36 Link works excellent with E30 swaps where an M50/S50 wiring harness is used.  The package will also work with other standard (M52 / S52) and custom displacement engines as long as the M50 / S50 harness is used and the car is converted to OBD1 configuration.

This ECU will also work with manual transmission M50 vanos E34 5 series BMWs

Please contact us directly to discuss your configuration and have ACE Performance design a custom package.

Engine Configurations

Engine configurations are pre-set into plug-in ECU’s with a “start” base map.  Additional performance maps and tuning support can be provided by ACE Performance at an additional cost.

ACE Calibration File: – *For advanced set up and configuration please consider adding the ACE Performance calibration file*

ACE BMW e36 G4+ PNP – Calibration file

Limits

• Engine Temperature Dependent Soft and Hard RPM Limit
• Engine Temperature Dependent Soft and Hard Boost Limit
• Vehicle Speed Limit
• System Voltage Limit
• User Configurable RPM Limit based on external input

Fueling Adjustments

• Up to 440 Zone Fuel Table with configurable load and RPM centres. Configurable X and Y Axis Parameters
• Multiple Fuel Tables
• Up to 6D Fuel Mapping
• Injection Rate
• Master Enrichment
• Pre Crank Prime
• Crank Enrichment
• Post Start Enrichment
• Warm Up Enrichment
• Acceleration Enrichment
• IAT Fuel Correction
• Injector Deadtime Compensation
• Overrun Fuel Cut
• Idle Load Trims
• Fuel Temperature Correction
• E85 Flex Fuel Compatible – *additional hardware needed*

Ignition Adjustments

• Up to 440 Zone Ignition Table with configurable load and RPM centres. Configurable X and Y Axis Parameters
• Closed Loop Knock Control.  (Requires External Controller)
• Crank Dwell Extension
• Maximum Advance
• AFR Table Correction
• Spark Duration
• Beginning / End Injection Definable
• Dwell Time Table.  Configurable X and Y Axis Parameters
• Individual Cylinder Trim
• Individual Cylinder Tables
• Multiple Ignition Tables
• Up to 6D Ignition Mapping
• Individual Cylinder Ignition Trim
• IAT Trim
• Voltage Correction
• ECT Trim
• OEM Compatibility
• CDI Compatibility

Triggering

• 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

MotorSport Features

• Antilag Group A/Group N
• Launch/Traction Control
• Flat Shifting
• Stats Logging
• Staged Injection

Auxiliary Output Options

• Application specific. Output drives can be altered from OEM configuration. e.g. Purge control may be in the standard set-up. This can be re-wired and programmed in the Link Plug-in to control intercooler water spray (if added) for example.
  • Each Output independently configurable
  • Unused ignition and injection outputs available as auxiliary outputs
  • General Purpose Output
  • General Purpose PWM
  • Continuously Variable Valve Timing Control
  • Closed Loop Idle Speed Control (Solenoid or Stepper (4 & 6 Terminal))
  • Fuel Pump
  • Fuel Pump Speed Control
  • Engine Fan
  • Air Con Clutch
  • Air Con Fan
  • Intercooler Spray
  • Tacho
  • Check Engine Light
  • Purge Solenoid
  • Oxygen Sensor Heater
  • Switched Cam Solenoid

Variable Valve Timing (where applicable)

• BMW VANOS supported
• Up to 4 channel independent
• Precision Closed Loop Control
• 3D Tables with configurable X and Y axis controls
• Preset or Custom Configuration

Processing

• 40 MHz Specialised Engine Management Microprocessor
• Ignition control to 0.1 degree, fuel to 0.01 ms
• 32 Bit Calculation
• 10 Bit ADC Resolution
• 20000+ RPM
• 4Mb Non Volatile Flash

Inputs/Output

• Totally application specific

Communications

• Tuning Port USB Via Adapter Cable
• Serial RS232
• CAN

Analog Inputs

• Each channel independently configurable with preset or custom calibrations
• Wideband O2 (from external controller)
• Boost Adjust Signal
• Configurable Fault Detection Settings
• Voltage (0-5V)
• Pyro (from external controller)
• Throttle Position
• Pressure (general purpose, fuel, oil)
• Air Flow Meter
• MAP
• Temperature (coolant, IAT, general purpose)
• Throttle Position
• Narrow Band O2

Boost Control

• Engine Temp Correction
• IAT Correction
• Multiple Boost Tables
• External Adjustment

Idle Control

• Reliable and accurate user configurable Closed Loop Control
• Solenoid or Stepper Motor ISC Valve
• Aircon, Engine Fan or Power Steer idle up
• Open Loop Control Mode for diagnostics

Environment

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

• Adjust ALL parameters in real time
• Mouse or keyboard operation
• Tuning
• QuickTune – automated fuel self tuning
• Logging Analysis
• Diagnostic Information
• Built In Help
• Definable Screen Layouts
• View over 300 possible run time parameters

Physical

• Dimensions and weights change according the the specific plug-in supplied
• Connector : Same as factory ECU

Package Contents

• G4X Plug-In ECU
• MAP sensor for applications where no factory MAP sensor fitted
• Anti static strap
• Wiring and Installation Instructions

Additional Accessories (Purchased Separately)

• Intake Air Temperature Sensor

– 3/8 NPT
– Bosch push in
– 14mm (Aluminium or Steel Mounting Bosses to suit)

• Throttle Position Sensor
• 1,2 or 3 Channel Link Igniter
• Narrowband Oxygen Sensor
• Wideband O2 Controller & Sensor
• Injector Ballast Resistor Packs

– 1 x 1R (6 x <6R injectors)
– 2 x 1R (12 x <6R injectors)
– 1 x 4R7 (1 x <6R injectors)
– 2 x 4R7 (2 x <6R injectors)
– 1 x 2R2 (1 x <3R injectors)
– 2 x 2R2 (2 x <3R injectors)
– 4 x 4R7 (4 x <6R injectors)
– 6 x 4R7 (6 x <6R injectors)

Manufacturing Standard

• ISO 13485