I was given a copy of the service manual for the 1990 750 (build date 6/89). It is micrifiche and I don't have a reader for it. The person who had it before me cut one of the pages-there are three (presumably so it could be read in a library reader). The reader you'd need is the old auto-parts counter type. I will be willing to surrender said copy if the new owner would send me a hard copy of it? It was originally from BMW publishing. I have the electrical troubleshooting book from them and it is very good, the service portion should be comparable...