11 40 000 Checking Engine Oil Pressure (With Hydraulic Valve)
Special tools required:
- 11 6 410
- 11 9 240
- 11 9 250
- 13 6 051
For the following special tools, refer to ENGINE- SPECIAL TOOLS (N52K) .
Vehicles with a regulated oil pump have a hydraulic valve fitted.
Diagnosis path:
- DME Motor Electronics
- Complete vehicle
- Drive
- Engine electronics
- Engine oil
- Oil-pressure control
Necessary preliminary tasks:
- Connect BMW diagnosis system to vehicle.
- Observe diagnosis instructions.
- Protect drive belt against dirt.
- Have a cleaning cloth ready to catch escaping oil.
Special tool 11 9 250 must be converted for the N52k and N53.
Secure special tool 11 9 250 at hexagon head in a vice.
Release insert (2) using a screwdriver (1) in direction of arrow.
Release screw piece (1) on special tool 11 6 410.
Install special tool 11 6 410 in special tool 11 9 250.
Insert central screw with a screwdriver (1) hand-tight.
Insert screw piece (1) hand-tight in direction of arrow on special tool 11 6 410.
Release oil filter cap with special tool 11 9 240.
Tightening torque. See 11 42 1AZ in 11 42 OIL FILTER ELEMENT WITH CONNECTIONS .
Carefully detach filter element.
Installation:
Check all O-rings for damage, replace if necessary.
Install filter element (1) in special tool 11 9 250.
Installation:
Coat O-ring with engine oil.
Screw in special tool 11 9 250 with a filter element.
Secure special tool 13 6 051 with a sealing ring to special tool.
Start engine and check engine oil pressure.
Specified values.
Assemble engine.