Rebuilding struts from scratch, have all the parts, not sure the order and location of washers #5 and #7 and think #4 should be #7 in this diagram.
http://www.realoem.com/bmw/enUS/showparts?id=3432-EUR-08-1973-E9-BMW-30CS&diagId=31_0451
http://www.realoem.com/bmw/enUS/showparts?id=3432-EUR-08-1973-E9-BMW-30CS&diagId=31_0451