Details here: http://www.bxclub.co.uk/forum/viewtopic.php?t=13006&postdays=0&postorder=asc&start=0
Not sure which car I would do it in, maybe the LN (or maybe even the Visa if it is on the road by then!). The idea of driving some Alpine passes appeals.
Phil, who is organising the event, can be contacted for entry details here: challenge2012@btopenworld.com

