Zfas update??

[Froodle]

I have an A8L 2018 (D5) and I’m contemplating retrofitting park assist - the one where it parks itself. looking at all the threads, it seems I need zfas 293 or 295. 
Does anyone know how to do that or an independent near London (or west of London). The dealer option is very expensive. If someone can help but the update is higher than 295, then I’ll need CP removing as well. 

I have ODB11 but I don’t have ODIS or VAG connector, so I don’t think I can do it myself. 

zfas ver C currently 0291

secondld, if I get zfas updated, Is it worth getting other control units updated - if so, which?

 

 

[Steve Q]

I'd recommend you speak to autologics or Audi retrofits as members have used them for retrofits and been happy with the results