I avoid the automatic gearboxes as they seemed to have a lot of issues for a few years, look at the website honest john for the reviews. i think they eventually resolved the problems
One of the rear ABS sensors went which is about the biggest thing, a right pain to change apparently! The fan belt went to at about 180.000 too Other than that the usual brake pads etc.
There's a trimmers in Luton who might do it for you, it's well tucked away in the side street near the town centre. Fantastic if you find him. Always has great cars in his shop. When my roof got changed he had a new BMW in, the dealers sent any trim issue straightt to him
You'll need to specify what size! Try eBay and get them shipped from Germany, a lot more options as they're compulsory & come up for sale a lot when traded in