BMW 328
Overview
 
The BMW 328 is a sports car
Sports car
A sports car is a small, usually two seat, two door automobile designed for high speed driving and maneuverability....

 made by BMW
BMW
Bayerische Motoren Werke AG is a German automobile, motorcycle and engine manufacturing company founded in 1916. It also owns and produces the Mini marque, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad and Husqvarna brands...

 between 1936 and 1940, with the body design credited to Peter Szymanowski, who became BMW chief of design after World War II (although technically the car was designed by Fritz Fiedler).
It featured many advanced features for its time, such as a tubular space frame and a hemispherical combustion chamber engine.
  • other sources say 4500 rpm.

The engine has hemispherical or cross flow combustion chambers.
 
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