This is the link but I have not tried the item yet so don't know how it will last. If you give me a month or so I will let you know if it is any better than the normal rubber mounts. There are three of these mounts required, plus a bit if black sleeve to tone them down a bit in my case.

http://www.ebay.co.uk/itm/CLASSIC-MINI-R...=item485815f4e8