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 FAQ #203
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Change the speedometer on a C4
If I change my speedo unit on a c4 coupe hdi will the mileage stay the same or will the mileage on the new unit be displayed?

Phil wrote ...

Is it a brand new Speedo? If so it will keep exisitng mileage.

If it's a second hand unit, it's slightly more complicated. The mileage is stored both in the instrument panel, and in the BSI (the car's main computer)

If the used speedo has a lower mileage, it will correct itself to the mileage held in the BSI.

If it has a higher mileage, it will stay at the higher reading.
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FAQ Posted by Phil
Info Created: 10 June 2010
Last Updated: 10 June 2010