BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP engine DIY maintenance and service manual

General Information

BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP is an 5379 cc (4.73 UK qt.) internal combustion reciprocating V12 engine. It has bore/stroke ratio of 85 mm × 79 mm (3.35 in × 3.11 in). This engine was rated 240 kW (321.85 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	240 kW (321.85 hp)

Specifications

General

BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	V12
Engine Displacement	328.25 in³328.25 in³5379 cc
Bore	3.35 in3.35 in85 mm
Stroke	3.11 in3.11 in79 mm

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Engine head and valvetrain

BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	2

Air Intake

BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

BMW gasoline V12 5.4 L M73 B54 (54121) 322 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor