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VCDS (aka Vagcom) For all your electronic debug / diag advice queries and mods. |
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I've just replaced my tyre with ones with a lightly smaller aspect ratio. Was 255/40/19 now 255/35/19. (Wanted Michelin Super Sport but could not get them in the 40 series. Never mind.) Now that the rolling radius is slightly smaller the speedo is obviously out. (Reads 70 but actually doing about 67). This will also affect the mileometer. Is it possible to re-calibrate the speedo using VCDS to take into consideration the new tyre size.
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