BMW M10

The BMW M10 is a SOHC inline-4 petrol engine which was produced by BMW from 1962-1988. It was the company's first four-cylinder engine since the BMW 309 ended production in 1936 and was introduced in the New Class sedans.

BMW M10 engine
Overview
Production19621988
Layout
ConfigurationInline-4
Displacement
  • 1.5 L (1,499 cc)
  • 1.6 L (1,573 cc)
  • 1.8 L (1,766 cc)
  • 1.8 L (1,773 cc)
  • 2.0 L (1,990 cc)
Cylinder bore82 mm (3.23 in)
84 mm (3.31 in)
89 mm (3.5 in)
Piston stroke71 mm (2.8 in)
80 mm (3.15 in)
Cylinder block materialCast iron
Cylinder head materialAluminium
ValvetrainSOHC
Combustion
Fuel systemSolex carburetor
Stromberg carburettor
Kugelfischer mechanical FI Bosch L JetTronic fuel injection
Fuel typePetrol
Chronology
PredecessorNone
SuccessorBMW M40

The M10 was used in many BMW models, with over 3.5 million being produced during its 26 year production run.

The turbocharged BMW M12 engine— used in the Formula One racing— was based on the M10 engine block and produced up to 1,400 PS (1,030 kW) in qualifying trim.

Following the introduction of the BMW M40 engine in 1987, the M10 began to be phased out.

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