Ring round all the dealers, get a price then jaggle. I've done this with LandRover, Toyota, VW and Kia and never failed.
Your warranty is covered as long as genuine parts are used and the service book is stamped. Ask to see the replaced parts. The garages want your business.
---------- Post added 18-06-2014 at 23:18 ----------
.....don't mean jaggle..
Just haggle.