hi i have just bought a kess v2 and am trying to do a dpf delete but it keeps saying generic error can anyone help please

can you post more details of the cars and post the files

2007 bmw X3 3.0l sd

Replied to your other post, if this is chinese clone then it wants reworking, decent sd card files etc or it will never work properly and will probably end up costing you lots of money repairing bricked ecu's, mine has been reworked and have decnt fw and sd files and does these cars fine, if it is genuine then I would contact alientech and ask why a reworked clone can do it and yours cannot :mrgreen:
Chinese clones have bad components on pcb, often soldered in wrong places with wrong parts, software usually does not match firmware, for example 2.08 is for 4.036fw, any newer will not work properly as has not got extra protocols in fw etc.