New Kess v3 Bosch ME17.3.0 Update – Now Out
ECU Remapping is now available via the OBD port for the Bosch ME17.3.0 ECU. This new release covers the ECU commonly fitted to the Abarth, Fiat, and Alfa Romeo vehicles.
With this all new Alientech Kess3 development. Tuning and ECU remapping can now be undertaken in teh quickest and most simplest of ways. Straight through the OBD connection.

Kess3 Updates and News
KESS3 UPGRADE 1.61
The Alientech research and development team has just released another all new protocol for the Kess3 tuning platform. The Bosch ME17.3.0 ECU is now active and released after many months of work. As such, you can now offer to improve the engine’s performance in the easiest and fastest way. Covering many Abarth, Fiat and Alfa Romeo vehicles. Unlock the vehicles ECU with a software patch in your preferred bench mode and then after this you can read and write via the OBD.
Focus on the new ECU:
- Bosch ME17.3.0 Tuning
Tuning works on cars with great modification, upgrades and tuning options. This increasing the level of services offered with the Alientech KESS3. Ensure complete customer satisfaction with good calibration on Fiat Ottimo, Viaggio, Tipo, Mobi, and 500L. As well as, Abarth 595 and 695, and Alfa Romeo Mito and Giulietta
- Bosch ME17.3.0 Tuning

Alientech KESS3

CAR TUNING

OBD
Abarth Tuning
RD, WR in OBD
| 500 Custom | 1.4 16v T-Jet MTA | Petrol | 103 kW |
| 595 | 1.4 Turbo T-Jet | Petrol | 107 kW |
| 595 | 1.4 Turbo T-Jet | Petrol | 121 kW |
| 595 | 1.4 Turbo T-Jet | Petrol | 132 kW |
| 595 Competizione | 1.4 16v T-Jet MT | Petrol | 118 kW |
| 595 Competizione | 1.4 16v T-Jet MT | Petrol | 132 kW |
| 595 Competizione | 1.4 16v T-Jet MTA | Petrol | 118 kW |
| 595 Competizione | 1.4 16v T-Jet MTA | Petrol | 132 kW |
| 595 Turismo | 1.4 16v T-Jet | Petrol | 118 kW |
| 595C Turismo | 1.4 16v T-Jet MT | Petrol | 118 kW |
| 595C Turismo | 1.4 16v T-Jet MTA | Petrol | 118 kW |
| 695 | 1.4 Turbo T-Jet | Petrol | 132 kW |
| 695 Biposto | 1.4 16v T-Jet | Petrol | 140 kW |
| 695 XSR Yamaha | 1.4 16v T-Jet | Petrol | 121 kW |

Alientech KESS3

CAR

OBD
Alfa Romeo Tuning
RD, WR in OBD
| Giulietta | 1.4 16v GPL Turbo | Petrol/LPG | 88 kW |
| Giulietta | 1.4 TB 16v 105 | Petrol | 77 kW |
| Giulietta | 1.4 TB 16v 120 | Petrol | 88 kW |
| Mito | 1.4 16v Turbo TwinAir BiFuel | Petrol | 88 kW |

Alientech KESS3

CAR

OBD
FIAT Tuning
RD, WR in OBD
| 500L | 1.4 16v 6MT | Petrol | 70 kW |
| 500L | 1.4 16v T-Jet MultiAir 6MT | Petrol | 88 kW |
| Mobi | 1.0 Flex | Petrol | 54 kW |
| Ottimo | 1.4 16v T-Jet | Petrol | 88 kW |
| Ottimo | 1.4 16v T-Jet | Petrol | 110 kW |
| Tipo | 1.4 16v 6MT (95 hp) | Petrol | 70 kW |
| Tipo | 1.4 16v T-Jet MultiAir 6MT (120 hp) | Petrol | 88 kW |
| Uno | 1.0 Flex | Petrol | 54 kW |
| Viaggio | 1.4 16v T-Jet | Petrol | 88 kW |
| Viaggio | 1.4 16v T-Jet | Petrol | 110 kW |
If you don’t already have your KESS3 tuning tool you can see it here in the shop. We have fast worldwide shipping and tax free sales available.
Buy the Alientech KESS3 Tuning Tool Here
Why Buy from Alientech Tuning?
At Alientech Tuning we specialise in all things Alientech hardware, software and updates. We offer expert advice, free training and support, including free tool demonstrations.
We also offer worldwide shipping, tax free international sale and trade and whole sale enquiries are welcome.
If you need any help, then you can contact us by phone on + 44 (0) 1789 774444, or send us a message via the form on our contact page.
KESS3 Abarth, Fiat, and Alfa Romeo Tuning FAQs
What new vehicles can I tune with the KESS3 update?
The update allows for OBD tuning of various Abarth, Fiat, and Alfa Romeo models equipped with the Bosch ME17.3.0 ECU. This includes popular models like the Abarth 595 and 695, Fiat 500L, Tipo, and Alfa Romeo Giulietta and Mito.
Which specific ECU is covered by this update?
This update specifically targets the Bosch ME17.3.0 ECU.
How is the tuning performed with this new protocol?
First, you need to unlock the vehicle’s ECU with a software patch in bench mode. After this initial unlock, you can then read and write to the ECU directly via the OBD port for easier and faster tuning.
What Abarth models are supported?
Supported Abarth models include various versions of the 500 Custom, 595 (including Competizione, Turismo, and C Turismo), and 695 (including Biposto and XSR Yamaha) with 1.4L T-Jet petrol engines.
Which Fiat models can be tuned with this update?
The update covers several Fiat models, including the 500L, Mobi, Ottimo, Tipo, Uno, and Viaggio with various petrol engines, primarily the 1.4L 16v and T-Jet variants.
Are there Alfa Romeo models included in this update?
Yes, the Alfa Romeo Giulietta (1.4 TB and GPL Turbo) and Mito (1.4 Turbo TwinAir BiFuel) are supported.
Where can I buy the KESS3 tuning tool?
You can purchase the KESS3 tuning tool directly from the Alientech Tuning website. They offer worldwide shipping and tax-free sales.