I had this manual in my library and noticed that I wasn't able to find a reference to it on the K-forum tech pages.  It's a BMW-published diagnosis manual for the K100/K75 models. It is similar in purpose to the flow chart written by Bert.

https://drive.google.com/file/d/1jQlHrak7p0G1CQsB5kZwj3__oCR36KnS/view?usp=sharing

(This is a link to the orginal source of the document: http://www.motobrick.com/index.php?topic=13452.0. The original has upside down pages making it hard to read)

Thanks for posting. Another one for the collection.

Thank you Sir.  

Hard copy now added to kollection.

great find Rob

thanks for posting it here 

Another thankyou from Downunder. Very useful, thank you Rob.