51851840B / 51851840 / 0261S05142 – VIRGIN ECU ENGINE CONTROLLER – Alfa Romeo MiTo
We offer the 51851840B / 51851840 ECU ENGINE CONTROLLER (Bosch 0261S05142) in VIRGIN – PLUG & PLAY version. The unit is factory-prepared for the first start in the vehicle and automatically programs itself to the car and immobilizer.
The 51851840 controller is used in Alfa Romeo MiTo vehicles and, after installation, adapts automatically by saving the VIN number and synchronizing with the immobilizer system.
Application of 51851840B / 0261S05142
- Alfa Romeo MiTo
- Model years: depending on engine version
- Fuel type: petrol / diesel (according to vehicle configuration)
VIRGIN – PLUG & PLAY (automatic adaptation)
The 51851840B / 0261S05142 ECU ENGINE CONTROLLER is in VIRGIN state, which means:
- it programs itself automatically after installation
- it automatically saves the VIN number
- it adapts to the immobilizer by itself
- no coding or data cloning is required
This is an ideal solution when replacing a faulty engine controller without the need for a diagnostic workshop visit.
Why choose 51851840B / 0261S05142?
- Original Bosch ECU ENGINE CONTROLLER
- Part numbers: 51851840B / 51851840 / 0261S05142
- VIRGIN – PLUG & PLAY version
- Automatic adaptation to the vehicle and immobilizer
- Each unit tested before shipping
Q&A – 51851840B / 0261S05142
Is the 51851840B controller plug & play?
Yes. It is a VIRGIN version – after installation it programs itself automatically to the vehicle.
Does the 0261S05142 controller require coding?
No. No coding, cloning, or diagnostic adaptation is required.
Will the controller store the VIN and immobilizer?
Yes. The VIN number and immobilizer are saved automatically at the first start.
Which vehicle does the 51851840 controller fit?
It is intended for Alfa Romeo MiTo according to the part numbers.
Can I confirm compatibility before purchase?
Yes, you can send the VIN for verification before buying.
