Finally.
Recived the four Bilstein and mounted yesterday, with also new discs and pads.
Its fantastic, in the corners are amazing. In 1 day i have done 300 km and its awesome. A litle more hard on the bumps but i will adapte to new style of driving.
I bought it here:
http://www.nh-tuning.de/advanced_search_result.php?XTCsid=969b2mplhta11hoj5uoe0jgbc0&keywords=bilstein+lexus+is+200&x=0&y=0
The cheapest i could find.
Best shock ever. :D :D :D :D :D :D :D