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The E30 M3’s S14 engine was designed for racing applications and is therefore compact and high-revving. It combines the basic four-cylinder block from the M10 family
with a four-valve head derived from the one used on the six-cylinder M88 and S38 motors.
Взято с
www.bmwmregistry.com
Блок М10 + рубленная бошка S38
