Is this of any help?
http://www.audi-resource.com/ecu08.php
This is mine
Address 08: Auto HVAC Labels: None
Part No SW: 4E0 910 043 B HW: 4E0 820 043 G
Component: KLIMAAUTOMAT 017 0450
Revision: 00000032 Serial number: 00000000106345
Coding: 0057465
Shop #: WSC 02313 785 00200
VCID: 1C373B69DFDF87F8DC3
A8L 3.0TDI 2006 / Petrol 5.2
Right hand drive
Quad-zone climate
Front and rear heated seats / Front heated only
Auxiliary heater / No Aux heater
No vented seats
No sunroof / Have sunroof
No heated windscreen
HAVE YOU SEEN THIS SITE
http://www.netech.dk/index.php/ecuuk