Here are some (hopefully!) helpful Technical guides and information for your downloading pleasure!
02 Essential Maintenance Guide (2019) 02 Maintenance
02 Charging System by Chris Blumenthal 02 Charging System
Converting your bonnet to gas struts https://www.bmw2002faq.com/articles.html/technical-articles/body-and-interior/converting-hood-to-gas-struts-r353/
BWM Group – 50 Years of the Turbo engine
Marchal Driving Lights (BMW2002FAQ.COM)