Just seen this on the 'bay, is this a homemade effort or a pukka works bike?
http://www.ebay.co.uk/itm/1977-BMW-...765460660&po=&ps=63&clkid=8393210954537014474
http://www.ebay.co.uk/itm/1977-BMW-...765460660&po=&ps=63&clkid=8393210954537014474