BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP is an 2986 cc (2.63 UK qt.) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 89 mm × 80 mm (3.5 in × 3.15 in). This engine was rated 138 kW (185.06 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	138 kW (185.06 hp)

Specifications

General

BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	182.22 in³182.22 in³2986 cc
Bore	3.5 in3.5 in89 mm
Stroke	3.15 in3.15 in80 mm

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Engine head and valvetrain

BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	CIH
Valves per Cylinder	2

Air Intake

BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor