The SD card had a proper Mitsubishi label. I have no link to the company what so ever, it was that after reading how some people found it hard to update their map I found this company was very helpful and wanted to tell others about it.
I originally just went to www.satnavdisc.co.uk and without looking ordered what they were offering, it arrived within the week cost £80.
However that did not work, SD card unreadable. So I contacted them by email and they asked for the code on the top right of unit (either e or w), version info...