BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP is an 1895 cc (1.67 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 85 mm × 83.5 mm (3.35 in × 3.29 in). This engine was rated 103 kW (138.13 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	103 kW (138.13 hp)

Specifications

General

BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 4
Engine Displacement	115.64 in³115.64 in³1895 cc
Bore	3.35 in3.35 in85 mm
Stroke	3.29 in3.29 in83.5 mm

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Engine head and valvetrain

BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Air Intake

BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline straight-4 1.9 L M44 B19 (194S1) 138 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor