Tuning the Audi S3 - 2015 Audi S3 on the dyno at Alt Tune

2015 Audi S3

2.0L Turbo petrol – 6 speed DSG – AWD – Siemens SIMOS 18 ECU

The Challenge

In this article, we will take a look at how tuning the Audi S3 can give it that extra kick. To help illustrate what a power tune can give an Audi S3 we will be using the 2015 Audi S3 we had on the dyno. The customer was looking to improve performance.

The Audi S3 are a high-performance variant of the Audi A3. With its turbo 2.0L four-cylinder engine it has the power the A3 lacks. But compared to other vehicles in the performance category it could do better. This is where ECU tuning can make a difference.

The Solution

ECU tuning can turn a vehicle from having limited performance producing its safe full potential. After having a look at the S3 we decided to flash it with a power tune using Alientech KESS3. A power tune focuses on optimizing power and torque. This will improve the throttle response and make the driving experience exceptional.

All of the adjustments are done to the ECU so all the extra power comes from what already is in the car. No need for aftermarket equipment. After the ECU is modified to accommodate the customer’s wish the vehicle goes on the dyno. On the dyno, the vehicle will be tested to make sure that the adjustments are giving the optimized performance and the reliability of the engine are maintained.

Increased Power and Torque


Power Increase


Torque Increase

Further Benefits

Increased Power and Torque

Increased power and torque result in safer over taking and easier open road driving. Throttle response is also increased.

Years of Development

We have been tuning the Audi S3’s Turbo 2.0L four-cylinder petrol engine for years, and understand how they work as well as the limitation on factory hardware.

Emissions solutions

We have solutions for emission systems such as disabling the catalytic convertor system and associated DTC fault codes. 

Dyno Chart and Video

Dyno Chart from Audi S3
So, if you’re looking to take your Audi to the next level, don’t hesitate to reach out to us! Our dedicated team is ready to unleash the full potential of your vehicle and make your driving dreams a reality!

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