German ETM recovered with the wayback machine: Pruefanleitung Fahrzeugelektrik/-elektronik Modelljahr 1998
Baureihe 3 - E36, 316i, 318i, 318is, 320i, 323i, 328i, M3, 318tds, 325td, 325tds, inklusive Cabrio und Touring
Dowload from here, takes a long time till it uploads https://web.archive.org/web/20…alar.de/e36/e36schalt.pdf
ETM English, North American specification cars, E30, E36, Z3, E31
https://www.bmwtechinfo.com/etm/data/toc_cd2.pdf