It needs a new turbo. I'm thinking cam belt, R26.R clutch, maybe uprate the turbo, full service. Anything else?
Not very, but I am thinking if stuff needs doing it should work out cheaper in the long run. Found somewhere that will recondition my turbo for £300, I am speaking to them today with a view to possibly uprating it and then taking it over to Paul for mapping. Is an R26.R clutch worth doing? Or should I just hope the DMF isn't worn and put a new clutch in?
All the work is budget dependent. if you fit a larger turbo you will need a SMF and clutch kit to cope with the extra power.
I have a brand new R26.R clutch and RStuning SMF for sale still in the box. Give me a shout if your interested.
http://www.rsmegane.com/showthread.php?7813-Things-you-ve-done-to-your-car-you-regret-doing - see that thread before you think about upgrading your turbo!