Please ensure that you have all of the OEM tools and system available for all dealer-based online coding programming jobs; for programming flashing updates, original dealer ICOM Next A or BMW Enet cable is a MUST, also a good stable power supply is always recommended, especially for Porsche, Mercedes, and JLR online ECU programming, for Taycan campaign update PIWIS V42.700.032 is recommended. (Car diagnostic tools involved: BMW ICOM Next a or BMW Esys EsysPlus4.1 or ISTA BMW, Mercedes Xentry Diagnosis with VCI C6 original, Audi ODIS with Geko, Porsche PIWIS 3 with PPN login, Land rover Pathfinder with JLR DOIP, Tesla Toolbox2.0 or Evgata.)