can anyone please help source the correct radiator for a year 2000,a6,2.5 v6, tdi allroad have been sent one incorrect part by euro parts,and have seen a diagram for the rad on the radiator shop.com with the correct dimentions but it doesn't show the oil cooler inlets the part number they quote is ai2139.. i have been told by mate that the allroad tdi has a special rad only available through audi.is this so?any advice welcome thanks.