Oil supply: Notes

Oil is supplied according to requirements which means that only the amount of engine oil actually used is supplied. The following illustration shows the components for the oil supply on the N55 engine.

Fig 1: Identifying Volume-Flow-Controlled Oil Pump And Oil Return Ducts (Intake Side)

Courtesy of BMW OF NORTH AMERICA, INC.

Index	Explanation
1	Volume-flow-controlled oil pump
2	Oil return ducts, intake side
3	Bedplate
4	Oil deflector
5	Intake pipe with oil strainer
6	Oil return ducts, intake side, exhaust gas side