BMW - Car Manual PDF & Wiring Diagram BMW car Manuals PDF & Wiring Diagrams above the page. BMW was founded in 1917. In 1970, there are the most popular model series BMW - 3 Series, 5 Series, 6 Series, 7 Series. It was with the release of these cars BMW has taken the segment of luxury sedans. In the 90s there is a coupe dream BMW 850i - engine, became the heart of this machine.