Also check with the airline.
When I bought my brick in Germany in 1996, I shipped it to from Hamburg to Toronto by boat. They built a crate for it. It came, unharmed, about 3 weeks later, and cost me about $1,000 at that time. (Then I had to take it to the BMW dealer where they approved it for use in Canada by removing the headlight switch and adding some reflectors - a couple hundred bucks if I recall).
I found out afterwards that Air Canada would have taken it on the flight I was on, for $800.00.
Things may well have changed since then of course!