Alientech KESS V3 Master ECU Tuning Kit – Cheapest OBD, Bench, Boot & TCU Solution in the UK

Introducing the Alientech KESS V3 Master—the UK’s most affordable full ECU tuning kit. Enjoy OBD, bench, boot and TCU tuning, a 12-month subscription, and all necessary cables. Order before 2pm for next-day delivery or collect in Mansfield or York.

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Alientech KESS3 ECU programming device and its accessory cables neatly arranged in a black hard-shell case with yellow foam inserts.

£4,500.00

The ultimate ECU tuning solution—Master version with full OBD, Bench, Boot & TCU capabilities. Includes 12-month file subscription and every cable you need.

Full OBD, Bench & Boot tuning
TCU & transmission support
All cables & power supply included
12-month subscription to our UK & EU file library
DPF, EGR & swirl-flap removal at no extra cost
Next-day delivery if ordered before 2 pm

To order: Call us on 01623 904 724 or email for a quote and payment options.

Collection: Mansfield or York

Delivery: Next-day courier when ordered via website before 2 pm

Payment: Cash, bank transfer or flexible finance (subject to credit check)

Slave Kit: £2,000

Stage-1 map files from just £35

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Technical Specifications

Supported Interfaces: OBD-II, Bench, Boot, TCU
Compatible Vehicles: Petrol & diesel models up to 2025
File Formats: .bin, .hex
Software Version: KESS V3 latest release
Subscription: 12-month full access

What’s in the Box

KESS V3 Master main unit
OBD-II diagnostic cable
Bench & Boot programming leads
USB data cable & power adaptor
Custom foam-lined hard case

Warranty & Support

All kits include a 12-month manufacturer’s warranty and free UK technical support. Extended cover options available.

FAQs

Can I tune multiple brands?: Yes—you get access to our entire UK & EU file library.
How fast is delivery?: Next-day courier if ordered before 2 pm (Mon–Fri).
Do I need special training?: No—our intuitive software guides you step by step.