BMW-WSM7 BMW prints “nuts for valve adjustment screw 18…23 N·m”. The 18–22 this guide carried was very close; the range is corrected to the factory one. 12 ft-lb is acceptable shop practice and gentler on threads.
This is the book's general row. In the book, pick your model and year and this figure resolves to your machine, with the one-page torque sheet, the job pages and the printable booklet.