Autotuner Slave – Supplied by MK Performance Tuning
 
OBD / BENCH / BOOT ECU & TCU Programming Tool
Take your tuning business to the next level with the Autotuner Slave, one of the fastest and most user-friendly ECU & TCU tools on the market — supplied and fully supported by MK Performance Tuning.
 
Autotuner is well known for its reliability, simplicity, and speed, making it a go-to choice for both new and established tuning workshops. With full support for OBD, Bench, and Boot modes, you can safely read and write a wide range of ECUs and TCUs with confidence.
When you purchase through MK Performance Tuning, you’re not just buying a tool — you’re plugging into a complete tuning solution. Gain access to our professional file service with fast turnaround Stage 1, Stage 2, and Stage 3 files via our portal:
👉 portal.mkperformancetuning.co.uk
 
Why choose MK Performance Tuning?
Professional file service (Stage 1 / 2 / 3 & custom tuning)
Fast turnaround via our dedicated portal
Ongoing support & real-world experience
Reliable, proven solutions used daily in-house
 
Key Features:
Full OBD, Bench & Boot mode support
Wide and continuously expanding vehicle coverage
Extremely fast read/write speeds
Automatic checksum correction
Simple, intuitive software (ideal for all levels)
Regular updates and new protocols
 
What’s Included:
Autotuner Slave device
OBD cable
Bench/Boot cables (depending on kit)
Carry case
Software access (subscription/license required)
 
Ideal For:
Workshops starting or scaling ECU/TCU tuning
Businesses using a slave setup with file providers
Tuners wanting a fast, reliable, plug-and-play solution
 
Which Tool Should You Choose? (KESS V3 vs FLEX vs Autotuner)
Choosing the right tool depends on your experience level, workflow, and the type of work you want to take on. Here’s a simple breakdown:
 
Autotuner – Best All-Rounder (Recommended)
No yearly subscription fee
Fastest and easiest to use
Excellent protocol coverage
Ideal for most workshops
Great balance of simplicity + capability
👉 Best for: Most users, especially if you want something quick, reliable, and straightforward
 
Magic Motorsport FLEX – Most Advanced
Deep Bench/Boot capabilities
Strong coverage for newer ECUs/TCUs
More advanced features and flexibility
👉 Best for: Experienced tuners doing complex or newer ECU work
 
Alientech KESS V3 – Reliable & Established
Trusted Alientech platform
Solid OBD/Bench/Boot performance
Great support and ecosystem
👉 Best for: Those familiar with Alientech or wanting a well-established system
 
Our Recommendation
If you’re unsure, we typically recommend Autotuner as the best starting point due to its speed, ease of use, and no yearly subscription.