BMW gasoline straight-4 1.6 L N43 B16 A 121 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-4 1.6 L N43 B16 A 121 HP is an 1599 cc (1.41 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 82 mm × 75.7 mm (3.23 in × 2.98 in). This engine was rated 90 kW (120.69 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-4 1.6 L N43 B16 A 121 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	90 kW (120.69 hp)

Specifications

General

BMW gasoline straight-4 1.6 L N43 B16 A 121 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 4
Engine Displacement	97.58 in³97.58 in³1599 cc
Bore	3.23 in3.23 in82 mm
Stroke	2.98 in2.98 in75.7 mm

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Engine head and valvetrain

BMW gasoline straight-4 1.6 L N43 B16 A 121 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Fuel Injection

BMW gasoline straight-4 1.6 L N43 B16 A 121 HP fuel injection specifications.
Parameter	Value
Injection Type	GDI