yesterday we tuned this Audi A8 4.2 TDI.
these power houses have so much potential for tuning as they are twin turbo V8s!
they also run 2 ECUs both of which we can tune without the need of being removed.
stock power 385bhp & 850nm
GAD power 450bhp & 950nm
www.gadtuningnorthltd.co.uk