BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP engine DIY maintenance and service manual

General Information

BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP is an 2443 cc (2.15 UK qt.) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 80 mm × 81 mm (3.15 in × 3.19 in). This engine was rated 85 kW (113.99 hp). It was used in BMW cars.

Engine Performance Rating

SAE J1349 (SAE Net)

BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	85 kW (113.99 hp)

Specifications

General

BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Diesel
Cylinder Configuration	Inline 6
Engine Displacement	149.08 in³149.08 in³2443 cc
Bore	3.15 in3.15 in80 mm
Stroke	3.19 in3.19 in81 mm

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Engine head and valvetrain

BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	SOHC
Valves per Cylinder	2

Air Intake

BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP air intake specifications.
Parameter	Value
Air Intake Method	Turbocharger

Fuel Injection

BMW diesel straight-6 2.4 L M21 D24 (246TB) 114 HP fuel injection specifications.
Parameter	Value
Injection Type	Prechamber