I concur with my fellow members... have the same problem at the moment, are you finding your using more fuel at the mo....
Cost of part £90 - £120 depends where U go and make sure you have your chassis number handy as you could end up getting the wrong one.....
If you cant be arsed to follow Urbans guide, youve got fat fingers and a screwed back like me or you havnt got the right tools or not confidant at the repair...expect to get a
2 hour labour charge.... should be about £70 - £100 for a decent LR specialist.... as for main line dealer, my advice...take a mortage out...lol an easy £300 for the above job