MaxxECU RACE Audi ABY / AAN Plug-In


MaxxECU RACE Basic Plug-in ECU Package for the Audi 5 cylinder ABY / AAN or ADU engine. This package offers a basic plug-and-play insallation for MaxxECU Race, and provides plug-in control for most of the factory functionality and much more besides.

For a comprehensive plug-in package for the MaxxECU Race, check out our unique Ultra Performance Audi 5 cyl plug-in ECU packages which offer plug-in control for ALL factory functionality except the MAF (rendered obsolete by MaxxECU's true VE fuel model).

MaxxECU RACE is a premium fully featured ECU package for engines up to 8 cylinders in sequential configuration or up to 12 cylinders in wasted spark configuration, ready for serious tuning on technical installations.

No expensive add-ons unlock charges, what you see is what you get: high quality, versatility & outstanding value for money.

  • Onboard wideband Lambda (Supplied with Bosch LSU 4.2 or 4.9 wideband sensor)
  • Onboard 400kPa MAP sensor
  • Onboard EGT x8
  • Onboard dual e-throttle
  • Onboard dual knock sensors
  • CAN


  • ECU Unit
  • Plug-In Harness Adapter which mates to the factory engine harness. [Note - not all factory functionality is provisioned - for a fully featured true plug-in, see our own Ultra Performance Engineering MaxxECU plug-in package]
  • Bosch LSU 4.2 Wideband Lambda Sensor (4.9 upgrade available - please ask)
  • 6 Way Lambda connector Kit
  • 12 Way Delphi GT150 connector kit
  • 1.5m USB Cable (PC Connection)
  • 3m MAP sensor reference hose kit (1/8" nylon tube, push-fit connectors & hose barb)
  • Bluetooth mobile antenna
  • MaxxECU USB stick

Full MaxxECU RACE Feature List:

  • All 3-12 cylinder engines (4-stroke)
  • Up to 8 cylinders fully sequentially
  • Up to 12 cylinders in wasted spark


  • Intake air temperature sensor (IAT)
  • Coolant temperature sensor (CLT)
  • Throttle position sensor (TPS)
  • Lambda (WBO) sensor. Uses a sensor directly connected to the ECU without any additional electronics. Supports Bosch LSU 4.2 and 4.9
  • 2 trigger inputs. VR or digital. Automatic trigger level detection. The signals are processed by a completely separated processor for maximum performance and immunity against interference
  • 2 extra temperature sensors. Can be used as switches or control of additional functions
  • 2 knock sensor inputs
  • 6 extra 0-5V inputs. Can be used for additional sensors such as measurement oil/fuel pressure
  • 4 extra digital inputs used for example speed sensors (VR / Hall) or switches
  • -8 EGT TYPE-K/N inputs (1200C/2200F) in separate harness


  • 8 peak/hold injector outputs. 1-2 high or low impedance injectors per output. 8A per output
  • 8 ignition outputs. 5V signal to drive ignition modules, CDI units or coils
  • 9 extra LOW DRIVING outputs for additional features. Can be adjusted to control virtually anything like fuel pumps, idle valves. GPO 1-8,10 (2A), GPO 9 (5A)
  • 2 extra +12V DRIVING outputs (GPO 15,16) (2A)
  • 4 extra motor outputs (ex E-Throttle). GPO 11-14 (2A)

Technical Specification

  • CAN bus for expansion modules, OEM vehicle CAN, ODBII
  • USB communication for tuning with MTune
  • Bluetooth for connecting to mobile devices with MDash
  • 8MB memory for internal logging, up to 1000Hz.
  • Supply voltage 8-22V
  • ARM Cortex-M3 120MHz main processor. Three extra processors to handle the trigger, injectors and knock detection
  • Resolution on ignition: 0.1 degrees
  • Resolution on injectors: 0.001 ms
  • Updates the fuel and ignition calculations 2000 times per second
  • The fastest PC communication on the market
  • 50Hz sampling rate on all EGT inputs
  • 1000Hz sampling rate on all analog inputs
  • Weight: 880g
  • 155x195x40mm (including mounting points, excluding connector)
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