Plug-and-Play ECU kit for the Audi S2/RS2/S4/S6 with 5 Cylinder AAN, ADU and ABYEngine.*
Fast and easy installation
After only a few hours of installation time, you can unleash the powerful Audi 5-cyl engine to its full potential
Get rid of the stock air flow meter
Remove the stock air flow meter and replace it with the built-in MaxxECU MAP-sensor
Audi 5-cyl engine
Audi's most famous engine with big horsepower potential, unleash it!
MaxxECU RACE inputs
- 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
MaxxECU RACE outputs
- 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)
MaxxECU RACE technical
- CAN bus for expansion modules, OEM vehicle CAN, OBDII
- 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
- Up to 1000Hz sampling rate on analog inputs, see tech docs.
- Weight: 880g
- 155x195x40mm (including mounting points, excluding connector)
Included in the kit:
RACE STANDARD
- RACE Unit
- Adaptor Harness
- Push-lock to barb (MAP-sensor)
- USB PC cable 1.5m
- Bluetooth mobile antenna
- Stickers
- Quick Guide (English)
RACE EXTRA
- RACE Unit
- Adaptor Harness
- Lambda Sensor Bosch wideband lambda LSU 4.2
- Lambda cable (16-pin)
- Hose kit (MAP sensor incl nipples)
- USB PC cable 1.5m
- Bluetooth mobile antenna
- Stickers
- Connector 6-way socket housing (LSU 4.2 wideband sensor)
- Connector 3-way housing Superseal
- Quick Guide (English)
- Manual Transmission Only
- A/C Not supported without wiring modification
- EVAP not supported
Supported Models:
- Audi S2 - 1993-1996 - ABY Engine
- Audi S4 (C4) - 1991-1994 - AAN Engine
- Audi S6 (C4) - 1995-1997 - AAN Engine
- Audi RS2 - 1994-1996 - ADU Engine
Extra Information
⚠️ MaxxECU Dealer Region Restrictions
Please note that, due to MaxxECU dealer region restrictions, we can only supply MaxxECU products to customers located in Ireland and Northern Ireland.
Please note that, due to MaxxECU dealer region restrictions, we can only supply MaxxECU products to customers located in Ireland and Northern Ireland.