our EPA (eviromental Protection agency) a.ka. NAZI GESTAPO Agency has us by the cojones restricting changes on cars as far as the emissions part, our cars have DPF and its PROGRAMMED into the ECU which BTW we cannot decode due to the encryption formated in our DDE but on the contrary you guys in Europe have been able to decode and delete DPF so I suggest you look closely in your forum of UK there are quite a few guys that have done it with GREAT results!!! Wish we over here could help you but we are falked here