AutoTuner Mail-In ECU Unlock

VAG V6/V8/V12

Bosch MG1CS002, MG1CS008, MG1CS038, MG1CS202, MG1CS203, MD1CS014, MD1CS064

Start tuning now! Get your Bosch HW: HW11/H31/H80 MG1CS002, MG1CS008, MG1CS038, MG1CS202, MG1CS203, MD1CS014, or MD1CS064 ECUs unlocked right here in the USA with our quick and convenient mail-in unlocking service with same-day turnaround. This unlock supports Bench with the AT Tool complete with full ASW+Calibration NR on the 2.9T, 3.0T, 3.0 TDI, 4.0T, and 6.5L Audi, Bentley, Lamborghini, Porsche, and Volkswagen models.

✅ Your ECU is safe. It will not be opened or physically modified.

Unsure if your vehicle is supported?
Search our guide!

⚠️ Dual ECU models require 2 Unlocks. (V8 L411, V12 L545)

Sale price$399.00
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Important: Before you ship!

We do not process opened ECUs. UPS will reject your shipment if it has any hazardous markings, words, numbers, or symbols. See shipping details here.

📦 Fast and secure shipping with UPS Next Day Air

Next Day Air (Both Ways)

Shipping, both ways, is calculated at checkout. We will email you a shipping label during normal business hours (M-F, 8-5 CT). If you send an AirTag, tape it to the ECU.

In-Person Unlocks

Don’t want to mail your ECU? Remove it and bring it to our Auburn, AL HQ and we’ll unlock it in person. Email info@autotuner.com before you purchase.

Get the details

What's supported?

Supported ECU

  • Bosch MG1CS002 TC298 (HW: HW11/HW31/H80)
  • Bosch MG1CS008 TC298 (HW: HW11/HW31/H80)
  • Bosch MG1CS038 TC399 (HW: H80)
  • Bosch MG1CS202 TC389
  • Bosch MG1CS203 TC399
  • Bosch MD1CS014 TC299 (Gen 1 and 2)
  • Bosch MD1CS064 TC399

To confirm compatibility, perform a Bench Identification using an AutoTuner tool.

Compatible Brands

  • Audi A4, A5, A6, A7, A8, S4, S5, S6, S7, S8, RS4, RS5, RS6, RS7, Q5, Q7, Q8, SQ5, SQ7, SQ8
  • Bentley Bentayga, Continental GT / GTC, Flying Spur
  • Lamborghini Revuelto, Temerario, Urus
  • Porsche Panamera, Cayenne, Macan
  • Volkswagen Touareg, Talagon

Supported Engines

  • 2.9T V6 (EA839 / EA839evo) including Hybrid
  • 3.0T V6 (EA839 / EA839evo) including Hybrid
  • 3.0 TDI V6 (EA897evo2/3/4) including Hybrid
  • 4.0T V8 (EA825 / EA825evo) including Hybrid
  • 4.0T V8 (L411) PHEV (Dual ECU)
  • 6.5L V12 (L545) PHEV (Dual ECU)

Think something's missing? Search our more comprehensive guide!

How does this work?

Get unlocked today

We make the entire process quick, simple, and straight forward.

Mail the ECU

Step 1

Mail the ECU

Buy the unlock from our website and we'll send you a next day air shipping label. Remove the ECU, package it, and drop it off at a UPS Access Point.

We Unlock It

Step 2

We Unlock It

The unlock process is quick and reliable and we do it in house in Auburn, Alabama, USA. We don't open the case or modify the board. It takes minutes.

Start Tuning

Step 3

Start Tuning

Usually less than 48-hours later, it's back in your hands. Reinstall and get down to tuning. Have fun!

FAQ

Still have questions?

Here's what most people are asking.

  • 5 stars: 50 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
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Anonymous

A fully efficient system they have built.

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Jay Williams

Great service extremely quick and precise !!!!

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Anonymous

While I haven't used their solution, I am writing this 5/5 star review for their Exceptional Technical Knowledge & Total Integrity!

I called AutoTuner USA regarding a bench unlock for my 2024 Porsche Cayenne ECU. I spoke with John, and I couldn't be more impressed with his honesty and deep industry expertise.

As a former APR employee, John has a thorough, firsthand understanding of APR's product matrix, hardware tools, and software protocols. Rather than just taking my order and having me ship the ECU to Auburn, he took the time to evaluate my exact setup (9Y0906019G S0005). He candidly explained that because my vehicle’s OBD gateway remains locked post-ECU-unlock, and because APR doesn't currently offer a bench-write solution for my specific software revision—either via APR Ultralink or through the APR Dealer network—unlocking the ECU right now would be completely ineffective for my tuning goals.

In an industry where many shops will happily charge you for a bench service you can’t immediately use, John put customer experience and technical truth first. He saved me hundreds of dollars in shipping, bench fees, and unnecessary vehicle downtime.

If you need ECU unlocking or bench work, deal with John or anyone at AutoTuner USA with 100% confidence. Top-tier professionalism!

G
Gerardo Del Rio

Exelent!!!

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Alexander Drake

Fast and great communication

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Dewey Yuhn

Nothing to complain about!! Love the access into vehicles I was previously locked out of. Smooth process. ECU's leave Monday, return on Wednesday and the vehicle is tuned by Friday!!!

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nick mercer

Fast and easy process!

B
Brian Capuano

fast service.

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Liam Mullaney

As easy as it gets. Just a couple days and my car was ready to go.

D
Dewey Yuhn

Fast service!

E
Elsius Armendarez

Amazing

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Tommy Lee

Super Fast Service! Would reccomend to anyone!

P
Philip Turner

Quick, effective service. Made my 240i accessible to tuning. Car is incredible

j
jay healy

Quick turnaround.

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mesa salkic

Great experience!

R
Robert Sirico

Auto Tuner DME unlocking service is fantastic. I shipped the DME from my 2024 BMW M440i Coupe on a Tuesday and it was delivered back to me at 11:30am on Thursday. Thank you for your excellent service.

A
Anonymous

Perfect

J
Jim Campa

Amazing ohbow easy and fast it was. My supra was only down fro 2 days!

M
MAHMUT GUCLU

amazing job

B
Benson Tan

Everything was smooth and all my questions were answered fast. Thanks Andrew.

G
Grigory

Amazing super fast

j
jayden

Very fast paste straight to the point. Sent it out Tuesday aftertnoon got it back thursday morning.

D
Dom Wheeler

Quick and easy

C
Chris Carter

Everything was a smooth process and they got it back to me when it was expected. Highly recommended, They even left me a little treat!

B
Bernard

Quick fast, excellent

G
Grigory

It was fast

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Kyle Medlam

Genuis work. Super efficient, easy to work with, FAST turnaround! Can't beat the sticker and gummy bears either! 😁

K
Kaimana

Easy and quick!

J
Justin

Simple and quick

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Akili Moyston

Fast turnaround and amazing communication. Was informed throughout the whole process. 3 days total turnaround time

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Pat Riley

AutoTuner is the goat, less than a 48 hour turn aroind time

D
DJ

The complete process was awesome and pain free.