Got the car fixed by a local indy. Not bad for £260 for 4 hours labour, but I supplied new turbo at £550 +VAT, Elring fitting kit from Germany, another £24, new oil filter and sump plug from Audi, £18 and 5 litres of Castrol Edge 5w30, £45.
I can recommend https://turbo-diesel.co.uk/ for the...