Golf 7.5 Gti speedometer change from 260 to 320 km like Golf R

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Hi. Does anyone know how to change the speedometer readings from 260 km%h to 320 km/h on a Golf 7.5 GTI with digital dash. Just like change the dash display from GTI to R model.

 

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Yes if I remember correctly it was tube version 6 which brought the 320km/h max speed. In instrument adaptations.

 

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Thanks for help. I will try it and let you know