I binged these ones :lol:
http://www.ebay.co.uk/itm/111518622347?_trksid=p2059210.m2749.l2649&ssPageName=STRK:MEBIDX:IT
The diameter is fine to fit into the map and centre light holes fine. Only complaint is that they're a little short so I didn't push them all the way in, if that makes sense. But the clips are strong enough to hold them.
http://www.ebay.co.uk/itm/111518622347?_trksid=p2059210.m2749.l2649&ssPageName=STRK:MEBIDX:IT
The diameter is fine to fit into the map and centre light holes fine. Only complaint is that they're a little short so I didn't push them all the way in, if that makes sense. But the clips are strong enough to hold them.

The search goes on