I have original BMW/Westfalia trailer hitch. I suppose what you got is something made in the USA.... Oem items "hook" can be taken off easily in seconds and electric connector can be turned behind a bumber, so, when not needed you cannot tell there is a trailer hitch, everthing is hidden behind the bumber. Oem item is bolted on to bumber attchmnet points, no need to drill any holes to car's bottom