Hi folks I have a high mileage (190 k KM ) 1.8T 190 ,recently it suffered multiple coil pack failure, the EML is now on . VagCom tells me I have "Catalyser below efficiency thresholditis " .Am I right to assume having cleaned both sensors located on the cat, that with the high mileage and pouring unlit petrol into a hot cat I need a new one ? I have found a replacement cat at GSF (part number 21544 ) , however it is listed as for a B5 ,03. Not my 04 B6. I have searched far and wide on the net for a cat and no catalogue lists a 04 1.8T BEX ,has anyone used this part for a 1.8 T B6?