Audi S4 Performance TCU Software / Tuning

Unleash up to 540HP/491TQ by transforming your Audi EA837 3.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!

Brand:

ES#:

4877145

Mfg#:

034B8/8.5TUNE

EO#:

D-850

Starting at $180.00 USD

Customize

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on orders $49 and up

Partial Replacement

Gains from 20-30 WHP on Stage 1 up to 60-70 WHP on Stage 3+ E85 For vehicles with automatic transmission only

Brand:

ES#:

4907820

Mfg#:

B6-3

$655.00 USD

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Lifetime Replacement

Unlock your 2022+ Audi AL552 TCU with the 401 boot loader from the comfort of your home.

Brand:

ES#:

5457611

Mfg#:

034-103-3400

$145.00 USD

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Lifetime Replacement

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:

ES#:

4381904

Mfg#:

30TFSI-D

Starting at $700.00 USD

Customize

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Lifetime Replacement

Unitronic 12V Power Adapter is used in conjunction with our bench flash harness to allow for ease of use with any North American style wall plug.

Brand:

ES#:

5480400

Mfg#:

UH005-TL1

$43.99 USD

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Lifetime Replacement

Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users.

Brand:

ES#:

5480399

Mfg#:

UH016-TLA

$74.99 USD

Add to Cart

Lifetime Replacement