We provide ECU remapping and tuning files for Audi A8 D3 - 2003 -> 2010 4.0 V8 TDI vehicles. Elite Remaps specialise in ECU (Engine Control Unit) remapping, also known as ECU tuning or chipping. This is a process that involves the modification of a vehicle's engine management software to optimise its performance and efficiency. Below you can see what vehicles are supported and you can search for full performance details using our search form.