BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP engine DIY maintenance and service manual

General Information

BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP is an 3430 cc (3.02 UK qt.) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 92 mm × 86 mm (3.62 in × 3.39 in). This engine was rated 155 kW (207.86 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	155 kW (207.86 hp)

Specifications

General

BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	209.31 in³209.31 in³3430 cc
Bore	3.62 in3.62 in92 mm
Stroke	3.39 in3.39 in86 mm

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Engine head and valvetrain

BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	SOHC
Valves per Cylinder	2

Air Intake

BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline straight-6 3.4 L M30 B34 (346KB) 208 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor