VAG Bosch MG1CS163/MG1CS164 - Mail-in Unlock

Finally, a solution for Bosch ECUs in Audi RS3 8Y, RSQ3 F3 and Cupra Formentor VZ5 models featuring the famous Audi’s 2.5-liter five-cylinder turbo engine. Compatible ECUs: BOSCH MG1CS163 TC298 BOSCH MG1CS164 TC387 To use this service, you’ll need to ship your ECU to our headquarters for unlocking. Please make sure to verify your ECU’s eligibility by performing a Bench identification before sending it in for Mail-in Unlock. Once the unlock is completed, we’ll return the ECU to you, ready for Bench & OBD read/write operations. Good news: a dealer update does not impact Mail-in Unlock. 👍 The total shipping cost—calculated at checkout—includes pickup at your location, shipment to our headquarters, and return delivery with insurance. We take care of the entire logistics process. This service applies to a single ECU only. The ECU will be systematically returned to stock. If it was previously tuned, the tuned file will be permanently lost. Mail-in Unlock is compatible with AutoTuner Tool and One. Compatibility with third-party tools cannot be guaranteed. Image for illustration only – ECU not included.