Haha cheers mate, is pretty much a brand new unit now
Is it a Roller ball bearing turbo? im assuming it is with the being a GT2871R. Unfortanely we cannot rebuild Roller ball bearing turbos as we dont have the facilities to do them and they are recommended not to be rebuilt. Only way to really rebuild one is to buy a brand new core assembly which is usually around the £600 just for the middle piece.
If its a standard journal bearing GT28 then we can do that no bother and it'll probably be £188.70 if it just requires a clean up with new bearings and seals. Obviously the price will increase if theres any internal damage and that price will depend on what needs replacing.
Cheers
Liam