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What is a tuning box?

A tuning box connects to the engine of a vehicle to improve performance and fuel economy. It’s the natural successor of the remap, an easily detected ECU tuning solution.

TDI-Tuning write custom maps for every vehicle variant. These maps are then sent to the engine from a tuning box rather than writing them directly onto the engine ECU.

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TDI Tuning App

Smartphone displaying the TDI Tuning app, shown with TDI Tuning CRTD4 tuning box

More power or more economy? With the TDI Tuning App you can decide directly from your driver’s seat. Instantly change the performance of your engine and adapt your vehicle to suit any situation.

Download the app from the App Store or Google Play Store:

Download on the App Store
Download on the Google Play Store

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