The Cia at all.I just did the bypass the dpf from the ecu and removed physically.I have, however, sentido say that with the ecu Delphi dcm 3.7 that fits my car you have to also exclude the dpf from the odometer, otherwise the regeneration part of default each tot. km.The preparer said that she knows anything.Quacuno of you is more informed and can give me some explanation.Thanks.