ALFA ROMEO 155 2.0L 16V Q4 TURBO 137kW/184HP IAW4W6

ECU MARELLI 4W6 · 186 CV (137 kW) · 2000 cc · Benzina sovralimentato

ECU DatabaseALFA ROMEO › ALFA ROMEO 155 2.0L 16V Q4 TURBO 137kW/184HP IAW4W6

Find the firmware identifiers (hardware, software and update numbers), available tuning options and how to get the original or remapped file.

✓ Tuning via file (flash) 4 firmware versions

Vehicle data

BrandALFA ROMEO
Model155
Engine2.0L 16V Q4 TURBO 137kW/184HP IAW4W6
Stock power186 CV / 137 kW
Displacement2000 cc
FuelBenzina sovralimentato
Vehicle typeAuto

ECU

ManufacturerMARELLI
Model4W6
Memory / EPROM27C256 DIL28/PLCC32 256Kbit - Eprom 32K x 8

Available tuning operations / options:

  • Advance at part load
  • Boost pressure
  • Injection at part load
  • Overboost timing

Firmware identifiers (4)

Hardware No.Software No. (chip)VersionUpdate softwareECU
4W6 1.00.006 MARELLI 4W6
4W6 P8HWG101.05 1.00.004 MARELLI 4W6
4W6 P8HWG101.05 1.00.007 MARELLI 4W6
4WG6HWG10103 1.00.007 MARELLI 4WG

ECU notes

Original EPROM 27C256 DIL 28 pins.