11 40 000 Checking engine oil pressure with hydraulic valve (N53, N52K)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: The regulated oil pump can only be checked and measured with the diagnosis system.
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

Special tool 11 9 250 must be converted for the N52k and N53.

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

Secure special tool 11 9 250 at hexagon head in a vice.

Release insert (2) using a screwdriver (1) in direction of arrow.

Fig 1: Releasing Insert Using Screwdriver

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Release screw piece (1) on special tool 11 6 410.

Fig 2: Releasing Screw Piece On Special Tool 11 6 410

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Install special tool 11 6 410 in special tool 11 9 250.

Insert central screw with a screwdriver (1) hand-tight.

Fig 3: Inserting Central Screw With Screwdriver

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Insert screw piece (1) hand-tight in direction of arrow on special tool 11 6 410.

Fig 4: Inserting Screw Piece With Special Tools (11 6 410 And 11 9 250)

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Release oil filter cap with special tool 11 9 240.

Tightening torque: 11 42 1 AZ.

Fig 5: Releasing Oil Filter Cap Using Special Tool (11 9 240)

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Carefully detach filter element.

Installation:

Check all O-rings for damage, replace if necessary.

Fig 6: Identifying Oil Filter Element And Sealing Ring

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Install filter element (1) in special tool 11 9 250.

Installation:

Coat O-ring with engine oil.

Fig 7: Installing Filter Element Using Special Tool 11 9 250

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IMPORTANT: Engine oil pressure measurement is only possible with the diagnosis system.

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 See OIL PUMP WITH STRAINER AND DRIVE N53, N52K/B30 or OIL PUMP WITH STRAINER AND DRIVE N53, N52K/B25 .

Fig 8: Identifying Special Tool 13 6 051 With Sealing Ring

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Assemble engine.