Bosch MG1CS164

New AT Protocol!

Dear Users,

Get ready to make one of the most iconic engines in automotive history sing! We are extremely proud to announce official support for the Bosch MG1CS164 ECU on your AutoTuner Tool.

This exclusive protocol grants you access to the mythical 2.5 TFSI (5-cylinder) engine powering the absolute latest beasts from the VAG group: the new Audi RS3 8Y facelift (2025) and the exclusive Cupra Formentor VZ5 (2026). You now have the ultimate solution to deliver monumental power gains to these ultra-sporty vehicles and push the limits of this fabulous engine block.

🔒 The secure workflow (Mail-in ➡️ Bench): To guarantee absolute safety on these latest-generation ECUs, an initial unlock is required:

Mail-in Unlock: The ECU must first be sent to our facility for a highly secure unlock by our experts.

Bench (AutoTuner Tool): Once the ECU is returned, you will have total control to easily read and write it via Bench right in your workshop.

Exclusive Supported Vehicles (2.5 TFSI Engine):

• Audi: RS3 8Y facelift (2025)

• Cupra: Formentor VZ5 (2026)

Be the first to master the absolute latest 5-cylinder sports cars on the market!

The AT Team

👉 Order your Mail-in Unlock

👉 Reusable ECU shipping case

Key Features

• Type: Engine Control Unit (ECU) ⚙️
• Mode: BENCH NR 🔌
• MCU: TC387 🖥️
• Read time: 2min ⏱️
• Write time: 1min ⏱️
• Checksums correction ✅
• Backup creation function 🔄
• Mail-in Unlock required 📦

Compatibility List*

🚗 Audi Model: RS3 8Y facelift (2025)
🔧 Audi Engine: 2.5 TFSI
🚗 Cupra Model: Formentor VZ5 (2026)
🔧 Cupra Engine: 2.5 TFSI

*The list may evolve over time.