Odometer change from Miles to Kilometers.

I have a 04 Z4 that I bought in the US. I know I heard that there were a squence of events that needs to be done inorder to change the Odometer form Miles to Kilometers.

Can anybody help me with this delama?

Cheers and keep driving

Can't you just buy a cluster? the plugs should be the same OR you could take yours out, take off the cover, and then change the face... which i've never seen anyone do, cause rarely people sell JUST the face, so you probably gotta buy another or just LIVE with the one you got ;)