BMW TwinPower Turbo engine

Forms the main engine structure and houses the cylinders and internal fluid passages.

Closes the cylinders and houses the combustion chamber passages and valve mechanisms.

Convert combustion pressure into reciprocating motion inside the cylinders.

Transmit force from the pistons to the crankshaft.

Converts piston motion into rotational output.

Control the opening and closing of the engine valves.

Control airflow into the cylinders and exhaust flow out of them.

Synchronizes crankshaft and camshaft rotation.

Drive type and configuration are unknown.

Uses exhaust energy to compress the intake air.

Turbocharger count and configuration are unknown.

Meter fuel into the engine for combustion.

Fuel type, injector design and operating pressure are unknown.

Distributes intake air to the cylinders.

Collects exhaust gases from the cylinders and directs them toward the turbocharger.

May be separate or integrated into the cylinder head.

Circulates lubricating oil through the engine.

Removes contaminants from circulating engine oil.

Filter dimensions, housing construction and replacement part number are unknown.

Collects and stores oil returning from the engine's lubricated components.

Material and oil capacity are unknown.

Circulates coolant to carry heat away from the engine.

Mechanical or electric drive is unconfirmed.

Seals the opening used to add engine oil.

Covers the upper engine components and provides a finished exterior surface.

Plastic with BMW badge and TwinPower Turbo lettering, according to the supplied description.