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An Innovation in Tuning Box Technology

Our Range

CRTD2 & CRTD4
  • Custom designed built in micro-processor components.
  • Improves the vehicles performance by changing the fuelling profile and eliminating flat spots in individual gears.
  • Smoother and more responsive driving experience.
  • Maximises possible gains in power and torque.
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Why Choose TDI-Tuning?

3 Year Product Warranty

3 Year Product Warranty

Engine & ECU Safe

Engine & ECU Safe

Easily Fitted & Removed

Easily Fitted & Removed

Traceless Removal

Traceless Removal

Self Install or use a UK Fitter

Self Install or use a UK Fitter

Automatic & Sports Mode Compatible

Automatic & Sports Mode Compatible

Latest News

July Car of the Month - BMW X5 - Modball Rally

TDI-Tuning's hardest test yet! Could we help power a BMW X5 across Europe for the exclusive Modball Rally?

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June Car Of The Month - Volvo V60 Polestar

Every month we have some stunning vehicles come to our head office in Chelmsford. This month we look at the Volvo V60 Polestar

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Tuning a Golf for Maximum Power

Increasing low-down torque in this family friendly hot-hatch

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