VAG Bosch MG1CS202/MG1CS203

Finally, a solution for Bosch MG1CS202 and Bosch MG1CS203 ECUs in VAG models featuring the 2.9 TFSI EU6 and 3.0 TFSI EU6 engines. *Compatible ECUs: BOSCH MG1CS202 TC389 BOSCH MG1CS203 TC399 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 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. This Mail-in Unlock is compatible with AutoTuner Tool. Compatibility with third-party tools cannot be guaranteed. Image for illustration only – ECU not included.