11 40 000 Checking engine oil pressure (N20)

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

Special tools required:

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.
Pay attention to different oil filter housing versions (aluminium or plastic housing) .
Diagnosis path:

DME Digital Motor Electronics
Complete vehicle
Power train
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 to fit plastic housing up to 1/2012

Release oil filter cover with special tool 11 9 240 .

Tightening torque: 11 42 1 AZ .

Order number: 0 493 936

Fig 1: Releasing Oil Filter Cover With Special Tool (11 9 240)

G09919175

Carefully pull off the filter element (2).

Installation note:

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

Fig 2: Identifying Oil Filter Element And O-Rings

G09919178

Order number for special tool: 2 212 823 with 11 4 310 screw.

Screw the pressure sensor (1) hand tight.

Apply light coating of oil to sealing ring at pressure sensor (1) 100 bar.

Fig 3: Identifying Pressure Sensor And Special Tool (2 212 823)

G09845987

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

Install the filter element (2) into the special tool (1).

Fig 4: Identifying Filter Element And Special Tool

G09924656

Special tool to fit aluminium housing up to 11/2011

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

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

Fig 5: Releasing Insert Using Screwdriver

G05777440

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

Fig 6: Identifying Screw Piece On Special Tool (11 6 410)

G05777441

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

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

Fig 7: Inserting Central Bolt With Screwdriver

G05777442

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

Fig 8: Inserting Screw Piece On Special Tools (11 6 410)

G05777443

Release oil filter cover with special tool 11 9 240 .

Tightening torque: 11 42 1 AZ .

Fig 9: Releasing Oil Filter Cover With Special Tool (11 9 240)

G04725319

Carefully detach filter element.

Installation note:

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

Fig 10: Detaching Oil Filter Element

G04725320

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

Installation note:

Coat O-ring with engine oil.

Fig 11: Installing Filter Element Using Special Tool (11 9 250)

G05777446

Measure the engine oil pressure with diagnosis system .

Order number for special tool: Screw 2 212 823 to oil filter housing.

Special tool 11 4 310 on special tool, order number: 2 212 823 .

Hand-tighten the 100 bar pressure sensor (1) on the special tool 11 4 310 .

Connect cable (2) of IMIB (Integrated Measurement Interface Box) to pressure sensor (1) 100 bar.

Fig 12: Connecting Cable Of IMIB (Integrated Measurement Interface Box) To Pressure Sensor

G09845988

Start the engine, comply with diagnosis instructions.