11 40 000 Checking engine oil pressure (N20, N26)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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.
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

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

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully pull off the filter element (2).

Installation note:

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

Fig 2: Oil Filter Element And Sealing Rings

G09919178

Courtesy of BMW OF NORTH AMERICA, INC.

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: Screwing Pressure Sensor

G09845987

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Fig 4: Installing Filter Element Into Special Tool

G09924656

Courtesy of BMW OF NORTH AMERICA, INC.

Special tool to fit aluminum 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: Securing Special Tool (11 9 250) At Hexagon Head In Vice

G05777440

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

G05777441

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Inserting Screw Piece With Special Tools (11 6 410 And 11 9 250)

G05777443

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

G05777446

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 .

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

G09845988

Courtesy of BMW OF NORTH AMERICA, INC.

Start the engine, comply with diagnosis instructions.