Chip tuning is no longer a service reserved only for large workshops or specialized garages. With increasingly easy access to software solutions, today any professional or advanced enthusiast can perform ECU/TCU optimization using a reliable tuning device.

But which are the most popular chip tuning tools used in Bulgaria – and why?

We present 7 of the most commonly used tuning devices on the local market, tested and used daily by specialists working with passenger cars, heavy-duty vehicles, agricultural and industrial machines.


1. Alientech KESS3 – The Next Generation of a Legendary Platform

KESS3 is the successor to the well-known KESSv2 and KTAG but combines reading and writing via OBD, Bench, and Boot into one device. It supports over 25,000 ECU and TCU modules – from cars and trucks to motorcycles, boats, and tractors.

Alientech’s software is intuitive, with automatic ECU recognition and access to a constantly updated database.


2. Dimsport New Genius + New Trasdata – OBD and Boot Tuning Without Compromise

Dimsport is another well-established name in the tuning world. The Genius device (for OBD) and Trasdata (for Boot) work together to allow precise tuning of a wide range of vehicles.

What’s the advantage of Dimsport New Genius + New Trasdata? Complete independence from a computer during the OBD process and stable communication when reading in Boot/Bench mode. Often used by workshops seeking reliability when working with older or more specific ECUs.


3. CMD Flash – Precision and Safety for Professionals

CMD Flash stands out with its high stability when working in OBD and Boot modes, as well as with its extensive list of supported modules. It's especially favored by workshops working with the VAG group, BMW, Mercedes, and PSA.

The device includes protection features to prevent ECU bricking when working with newer models, making it a valuable tool for modern vehicles.


4. Magic Motorsport Flex – Flexibility and Real-Time Updates

CarHack is the official distributor of Magic Motorsport in Bulgaria, and Flex is one of the most advanced tuning tools on the market, offering support for OBD, Bench, and Boot modes. The cloud-based interface allows automatic updates and access from different computers.

This is a top choice for workshops seeking flexibility and unwilling to be limited to one brand or communication type.


5. DFOX Master/Slave – Ideal for Diagnostics + Tuning in One

DFOX is not just a tuning tool – it's a powerful diagnostic platform. The DFOX Master version allows software reading/writing, while the DFOX Slave version works via a partner Master account.

It supports a huge number of ECU/TCU modules and offers features like DPF/EGR/AdBlue OFF, TVA OFF, remap, start/stop deactivation, and other software modifications. In Bulgaria, DFOX is popular among diagnostic workshops and farmers working with agricultural machinery, with many choosing to work through trusted Master partners like CarHack for reliability and professional support.


6. KTAG – The Classic Choice for Boot/Bench Reading

Although it's been largely replaced by KESS3, KTAG remains preferred by many tuning professionals for its stable performance in Boot/Bench mode. It requires physically opening the ECU but provides full access to the software, including on protected controllers.

KTAG is often used for repairing damaged modules, restoring original software, and other tuning operations.


7. Autotuner – Fast, Reliable, and Easy to Use

Autotuner has gained popularity in recent years for its high reading/writing speeds and automatic ECU recognition. It’s suitable for both tuning and backup/restore of original software.

This tool is particularly effective with newer vehicles and is a top choice for workshops prioritizing reliability and speed.


How to Choose the Right Chip Tuning Device?

Choosing a chip tuning device depends on several key factors:

  • What brands and models are you working with?

  • Do you want to read via OBD or work with opened ECU modules?

  • Do you need Master functionalities or prefer working with a Slave account?

  • Will you use diagnostics in addition to tuning?

  • Do you need support for TCU/automatic transmissions?

In any case, a high-quality tuning tool is an investment that pays off – with accurate results, shorter execution times, and reduced risk of errors.

At CarHack, we don’t just sell tuning tools – we test them, support them, and provide working solutions tailored to each client’s needs.

Whether you’re working with cars, agricultural machinery, or heavy-duty trucks – we have the tool and solution that fits your business.

Contact us for a free consultation or explore our chip tuning devices online.