BMW gasoline straight-4 2.0 L N43 B20 A 161 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-4 2.0 L N43 B20 A 161 HP is an 1995 cc (1.76 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 84 mm × 90 mm (3.31 in × 3.54 in). This engine was rated 120 kW (160.92 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-4 2.0 L N43 B20 A 161 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	120 kW (160.92 hp)

Specifications

General

BMW gasoline straight-4 2.0 L N43 B20 A 161 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 4
Engine Displacement	121.74 in³121.74 in³1995 cc
Bore	3.31 in3.31 in84 mm
Stroke	3.54 in3.54 in90 mm

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Engine head and valvetrain

BMW gasoline straight-4 2.0 L N43 B20 A 161 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Fuel Injection

BMW gasoline straight-4 2.0 L N43 B20 A 161 HP fuel injection specifications.
Parameter	Value
Injection Type	GDI