There're 4 NSU car service manuals PDF.
NSU is a manufacturer of motorcycles and cars from the German city of Neckarsulm, from the letters of the name of which the acronym NSU consists.
From 1905 to 1929 the company produced mid-range cars and racing cars, but then sold the automobile division to the German branch of FIAT and focused on the manufacture of motorcycles.
In 1958, it returned to the automotive market with the NSU Prinz rear-engine small car, on the basis of which a whole family of inexpensive models with air-cooled engines was created.
In the 60s. the firm pioneered the use of Wankel rotary engines, but flaws in their design earned NSU cars a reputation for being unreliable despite their high build quality.
NSU engineers were never able to make the design of the rotary engine reliable enough, and most owners of the NSU Ro 80 faced the problem of leaking rotor seals well before the guaranteed service life after 50, 000 km of run.
Due to low sales, the company's financial position was greatly shaken, and in 1969 it became part of Volkswagen AG.
It was merged with Audi to form the subsidiary Audi NSU Auto Union AG, headquartered in Neckarsulm.
The new compact NSU model with a traditional piston engine was decided to be released as the Volkswagen K70.
In 1973, all NSU Prinz-based rear-engined vehicles were discontinued.
In the same year, Neckar also stopped working, after which FIAT stopped building their cars in Germany.
1977 production of cars under the NSU brand ceased.