I recommend that you read this thread and the links in the thread...
http://www.pprune.org/professional-p...-jaa-atpl.html
You will most likely not complete a conversion for less than €10,000.
http://www.pprune.org/professional-p...5-figures.html
If you have a foreign instrument rating, the conversion of the instrument rating involved a MINIMUM of 10 hours in sim and 5 hours of instrument flying in a plane. There is a max of 10 hours in the sim, and a minimum of 15 hours of IR training in Europe.