oil capacity BMW 545i 2003 E60 N62B44 Engine Workshop Manual

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N62 Engine
Cooling System
Coolant Circuit - 14 Liter Coolant Capacity
42-02-56
Cooling System (Circuit Flow)
1. Cylinder Head Bank 5-8 12. Radiator
2. Coolant Supply (heater core) 13. Radiator Partition (low temp section)
3. Water valve with electric water pump 14. Temperature Sensor
4. Cylinder Head Gasket 15. Water Pump
5. Coolant Supply Line 16. Radiator Return Flow
6. Cylinder Head Ventilation Lines 17. Radiator Ventilation Line
7. Hole (crankcase venting system) 18. Expansion Tank
8. Transmission oil lines 19. Thermostat
9. Oil/water heater exchanger for automatic transmission 20. Cylinder Head Bank 1-4
10. Thermostat for transmission oil heat exchanger 21. Vehicle Heater
11. Alternator Housing 22. Radiator (High Temperature Area)

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N62 Engine
Oil Cooling (if equipped)
An oil cooler is used in hot countries. The oil cooler is located in front of the radiator above
the A/C condenser. The engine oil flows from the oil pump through a channel in the
crankcase to a connection on the generator support. The generator support has an oil ther-
mostat. A wax element in the oil thermostat continuously opens the inflow to the oil cooler
when the oil temperature is between 100 ºC to 130 ºC.
Some of the engine oil always flows past the oil thermostat and through the engine with-
out being cooled, even when the oil thermostat is fully open. This ensures a minimum
amount of oil is supplied when the cooler is faulty. A modified generator support, without
connections for the oil thermostat, is fitted to vehicles which do not have an oil cooler.
Technical Data - Lubrication System
The recommended oil is BMW High Performance 5W-30 Synthetic Oil
* P/N 07 51 0 017 866
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8.0 Filling Capacity for Service with Oil Filter Change


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1.0 Minimum Oil Pressure at 20ºC

4.0 - 8.0 Bar Maximum Oil Pressure at 20ºC


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9-12 I/Min At Idle Speed (700 rpm) at 20ºC

50-55 I/Min At Maximum Engine Speed (6500 rpm) and 20ºC