[Windy]

Maybe a silly question, but have you tried an MG dealer?

Or an XPart service centre?

 

[Windy]

Well good luck, if I remember correctly then there is a slight shortage of MG dealers in your area at the moment so this link may be of some use:

http://www.xpartautoservicecentre.com/RVEa9e9d9e4f46a4323b8443382a341cc2a,,.aspx

See www.mg.co.uk for MG dealers.