11 40 000 Checking Engine Oil Pressure (N55)

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Special Tools Required:

11 6 410 .
11 9 240 .
11 9 250 .
13 6 051 .
2 212 823
11 4 310

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 Digital Motor Electronics
Complete Vehicle
Power Train
Engine Electronics
Engine Oil
Oil-Pressure Control

Special Tool 11 9 250 Must Be Converted for N55

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 Slotted Screwdriver (1) In Direction of Arrow.

Fig 1: Securing Special Tool In Vice and Releasing Insert Using Slotted Screwdriver

G05777440

Courtesy of BMW OF NORTH AMERICA, INC.

Release Screw Piece (1) On Special Tool 11 6 410 .

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

G05777441

Courtesy of BMW OF NORTH AMERICA, INC.

Install Special Tool 11 6 410 In Special Tool 11 9 250 .

Insert Central Bolt with A Slotted Screwdriver (1) Hand-Tight.

Fig 3: Inserting Central Bolt with Slotted Screwdriver

G05777442

Courtesy of BMW OF NORTH AMERICA, INC.

Insert Screw Piece (1) Hand-Tight In Direction of Arrow On Special Tool 11 6 410 .

Fig 4: Inserting Screw Piece On Special Tool 11 6 410

G05777443

Courtesy of BMW OF NORTH AMERICA, INC.

Release Oil Filter Cover with Special Tool 11 9 240 .

Tightening torque: 11 42 1 AZ .

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

G04725319

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully Detach Filter Element.

Installation Note:

Check All O-Rings for Damage, Replace If Necessary.

Fig 6: Identifying Oil Filter Element and Sealing Rings

G04725320

Courtesy of BMW OF NORTH AMERICA, INC.

Install Filter Element (1) In Special Tool 11 9 250 .

Installation Note:

Coat O-Ring with Engine Oil.

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

G05777446

Courtesy of BMW OF NORTH AMERICA, INC.

Order Number for Special Tool: Bolt 2 212 823 with 11 4 310.

Screw The Pressure Sensor (1) Hand Tight.

Apply Light Coating of Oil To Sealing Ring At Pressure Sensor (1) 100 Bar.

Fig 8: Identifying Special Tools and Pressure Sensor

G09845987

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Screw In Pressure Sensor (1) 100 Bar At Special Tool 11 4 310 (Finger-Tight).

Connect Cable (2) of IMIB (Integrated Measurement Interface Box) To Pressure Sensor (1) 100 Bar.

Graphic Shows Engine N20.

Fig 9: Identifying Special Tools, Pressure Sensor, and IMIB Cable

G09845988

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble Engine.