BMW gasoline straight-6 3.0 L N51 B30 A 229 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-6 3.0 L N51 B30 A 229 HP is an 2996 cc (2.64 UK qt.) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 85 mm × 88 mm (3.35 in × 3.46 in). This engine was rated 171 kW (229.31 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-6 3.0 L N51 B30 A 229 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	171 kW (229.31 hp)

Specifications

General

BMW gasoline straight-6 3.0 L N51 B30 A 229 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	182.83 in³182.83 in³2996 cc
Bore	3.35 in3.35 in85 mm
Stroke	3.46 in3.46 in88 mm

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Engine head and valvetrain

BMW gasoline straight-6 3.0 L N51 B30 A 229 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Air Intake

BMW gasoline straight-6 3.0 L N51 B30 A 229 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline straight-6 3.0 L N51 B30 A 229 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor