BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP is an 3246 cc (2.86 UK qt.) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 87 mm × 91 mm (3.43 in × 3.58 in). This engine was rated 252 kW (337.94 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	252 kW (337.94 hp)

Specifications

General

BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	198.08 in³198.08 in³3246 cc
Bore	3.43 in3.43 in87 mm
Stroke	3.58 in3.58 in91 mm

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Engine head and valvetrain

BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Air Intake

BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline straight-6 3.2 L S54 B32 (326S4) 338 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor