[018650] BMW TWINS RESTORATION THE ESSENTIAL GUIDE TO THE RENOVATION, RESTORATION AND DEVELOPMENT HISTORY OF ALL BMW FLAT TWINS 1955-1985 Mick Walker United Kingdom: Osprey, 1997. Reprint of 1992 First Edition. 240 Pages. Softback. No Dustjacket Issued. ISBN: 1855321912. 1997 print. The essential guide to all renovation, restoration and development history of all BMW flat twins 1955 - 1985. This book is an invaluable guide to the many engineering redesigns, technical modifications and restyling exercises carried out on the horizontally-opposed twin cylinder BMW machines over 30 years. Packed with technical data unavailable from any other single source. Over 220 black-and-white illustrations. Very good clean condition with minor creasing to rear cover.