audi a4 2008 3.0 tdi tacho need factory dump

[mec]

hi, i have audi a4 3,0 v6 tdi year 2008
car is demage, and original tacho is missing .. somebody is take-removed
i have another 2 tacho with another vin number , but i try coding via audi servis, but not ok (its have old vin number), because is tacho not new - fabric default sw
if somebody tell me how i can coding , or have default SW

now i have 2 x tacho nr 8k0920900c

original must be 8k0920930 C or CX or CV

its possibel change / coding - component protection ?

thanks for help
br,mec