anyone help me out with this one...what the diffrence between this part numbers 8e0 505 311 af and 8e0 505 311 t .. waile fitting new drop links to the rear anti roll bar a bolt sheared so i came across 8e0 505 311 t for 33 quid on ebay as the add said cabrio quattro i thought it would be the same but on checkin the part number on my car it read 8e0 505 311 af ..is it just a part number change over or have i blown 33 quid .. also how hard would it be to drill it out with out taking it off the car ... my car is 2004 1.8t quattro cabroilet ... help me someone please