Quote Originally Posted by rebel.ranter View Post
From what I have gleaned though some adverts and post in various Irish forums a lot of e63 650i when new were "accidentally" registered as 3.0L cars not as 4.4L cars. $400 a year savings in tax so yes, it has been taken advantage of...
I seem to recall a Z4M roadster (blue, iirc) knocking around for a long time with the same "problem", a 3.0 engine on the reg doc. Grand for the purposes of road tax, but a pita in the form of a shadow over the car as regards exporting it to the UK when it couldn't be given away here a few years ago.