A8 D2 MFSW retrofit kit on ebay
 

This listing is not mine, but if i knew about it before i did my heated MFSW I would have bought it instantly, as its much cheaper and less hassle.

Listing says its for an A6 C5, but it will also work in a D2.

Any brave people out there?

https://www.ebay.co.uk/itm/114940282...Bk9SR7zdsKqVYQ