Alfa Romeo GTV Bosch M1.5.5
Power
153 HP / 114 kW
Fuel
Petrol
Version
2.0 16v Twin Spark
Model year(s)
1998
Control unit
Bosch M1.5.5ECU
Kess3 Protocols
- OBD3136
Live ECU tuning for the Alfa Romeo GTV, with measured power and torque gains, a dyno preview, and the supported file options grouped into one focused page.
Available tuning options
Performance 1
Emissions & anti-pollution 2
EGR off petrol
Decat P0420 will be disabled and P0430 if dual cat.
Services, files & hardware 5
Clone ECU Must supply reads of original and new ecu's. Must bench read.
High flow turbo charger You must also select towing or power tune.
Send us your ECU Includes standard bench fee processing for 1 ECU and NZ return freight. Include a send in ECU form fully filled out with your ECU.
Return file to original
Checksum correction
Installation and process
Choose the tuning package that fits your goals, confirm the vehicle and ECU, and request your files. AltTune then guides the read, write, and verification steps for your selected vehicle — whether handled remotely with a supported flash tool or on the bench.
Support, safety, and trust
Vehicle condition, maintenance history, fuel quality, and intended use all affect results. We only publish gains we can support for the listed configuration, and we ask that you confirm suitability for your vehicle and application before ordering.
Frequently asked questions
01
Is the Alfa Romeo GTV Bosch M1.5.5 supported?
This page is generated for an active vehicle in the AltTune catalogue, so it represents a currently supported tuning entry. If your exact ECU differs, contact us to confirm before ordering.
02
What options are available for this vehicle?
The resolved options for this vehicle include Clone ECU, EGR off petrol, High flow turbo charger, Send us your ECU, Tune, Decat. The exact list depends on the vehicle type, fuel, and supported protocols.
03
What gains can I expect?
Exact gains depend on the selected option and the data available for this vehicle.
