For information replacing the parking brake switch worked and cleared all of the faults. Quite an easy job if you're handy with a screw driver and saved a fortune going to a main dealer.
Hi no visually check the pads, if the backing plate is about 4mm from the discs they are knackered, there are loads of options on eBay as long as they are marked E11/E9 they are O.E. standard, its worth paying the extra couple of quid for the ones that come with the wear sensor.
Steve.
Try this web site, enter you vin number and you can view drawings and schematics, will also bring up all part numbers.
https://www.lllparts.co.uk/catalogs/