I found this on the German forum, somebody just made the first trial with that
http://s71.photobucket.com/albums/i1...agenheber2.jpg
http://s71.photobucket.com/albums/i1...agenheber4.jpg
http://s71.photobucket.com/albums/i1...agenheber3.jpg
Who has it? And what experience? And where to buy? Do not know if that is the correct English word for that jack, in German they call it Kippwagenheber.
According to the info on the forum, only the battery has to be removed, all fluids can stay in the car. He said nothing leaked, except he sealed the window washer tank, because that started leaking washwater.