Originally Posted by Toxicant

You can set the odometer in your car to read out whatever you want, the illegal part is selling the car and not disclosing the change.

I had the one fixed in a BMW not that long ago and it was about $70.00 to replace all the gears. Do a search on the net for speedo repair, some places will do an exchange, just order it and after you replace it send back the core.