BMW M328

The BMW M328 is an overhead valve straight-six petrol internal combustion engine which was produced from 1936 to 1940. It was a high-performance development of the BMW M78 engine that was produced alongside the M78.

BMW M328 engine
Overview
Production1936-1940
Layout
ConfigurationStraight-6
Displacement2.0 L (1,971 cc)
Cylinder bore66 mm (2.60 in)
Piston stroke96 mm (3.78 in)
Cylinder block materialAluminium
Cylinder head materialAluminium
ValvetrainOHV
Combustion
Fuel typePetrol
Chronology
PredecessorBMW M78
SuccessorBMW M335

Compared with the M78, the M328 has an aluminium cross-flow cylinder head with hemispherical combustion chambers.

The M328 was used in the BMW 328 and BMW 327/28 coupes.

After World War II the engine was also licensed to Bristol Cars in the United Kingdom.

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