I know this is an old thread, but adding an update for anyone looking to use Challenger 4x4 - I have received superb expert service on 3 occasions. Can't recommend them highly enough. They are clearly specialists and charge fair prices. They are happy to share advice on how to minimise the cost of work and only do repairs needed. So much better than other LR garages in the area in my experience. Challenger are v good at what they do. 5 stars. Won't be using anywhere else from now on.