BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP is an 2979 cc (2.62 UK qt.) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 84 mm × 89.6 mm (3.31 in × 3.53 in). This engine was rated 170 kW (227.97 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	170 kW (227.97 hp)

Specifications

General

BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	181.79 in³181.79 in³2979 cc
Bore	3.31 in3.31 in84 mm
Stroke	3.53 in3.53 in89.6 mm

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Engine head and valvetrain

BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Air Intake

BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor