BMW M40
Engine
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The BMW M40 is an SOHC straight-four petrol engine which was produced from 1987–1994. It served as BMW's base model four-cylinder engine and was produced alongside the higher performance BMW M42 DOHC four-cylinder engine from 1989 onwards. Wikipedia
Configuration: Naturally aspirated straight-4
Cooling system: Water cooled
Cylinder block material: Cast iron
Cylinder bore: 84 mm (3.31 in)
Cylinder head material: Aluminium
Displacement: 1.6 L (1,596 cc); 1.8 L (1,796 cc)
Fuel system: Fuel injection