11 40 000 Checking engine oil pressure (B36A/B38A)

Special tools required: 

• 2 289 603
• 11 4 310

Necessary preliminary tasks: 

• Remove UNDERBODY PROTECTION

Removal: 

Undo oil drain plug (1) at hexagon head (2).

Drain the engine oil.

Fig 1: Oil Drain Plug And Hexagon Head

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Undo oil filter cover (1) at hexagon head (2).

Fig 2: Oil Filter Cover And Hexagon Head

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Checking engine oil pressure with diagnosis tester: 

Remount filter element (1) in the special tool 2 289 603 .

Remount O-ring (2) if necessary.

Fig 3: Filter Element, O-Ring, And Special Tool (2 289 603)

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Screw special tool 2 289 603 with oil filter element into the oil filter housing (1).

Tightening torque: 11 42 1AZ .

Fig 4: Screwing Special Tool (2 289 603) With Oil Filter Element Into Oil Filter Housing

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Connect special tools 2 289 603 and 11 4 310 .

Fig 5: Connecting Special Tools (2 289 603) And (11 4 310)

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Lightly oil O-ring at the pressure sensor (1), (100 bar, order number: 0 431 592)  .

Screw pressure sensor (1) hand-tight into special tool 11 4 310 .

Connect connecting cable (2) of Integrated M  easurement I  nterface B  ox (IMIB) to pressure sensor (1).

Run the corresponding test module.

Fig 6: Connecting Cable, Pressure Sensor, And Special Tool

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INSTALLATION: 

Stop engine.

Remove the special tools.

Check the freedom of movement of the non-return valve (1).

Fig 7: Locating Non-Return Valve

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Replace oil filter (1).

Parts:  Oil filter (1).

Ensure that the oil filter (1) engages audibly.

Replace O-ring (2) and coat with engine oil.

Parts:  O-ring (2).

Fig 8: Oil Filter And O-Ring

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Replace screw with O-ring (1)

Parts:  Screw (2) with O-ring (1).

Wet the O-ring (1) with engine oil.

Fig 9: Screw And O-Ring

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The thread (1) must be cleaned before installation without fail with original BMW brake cleaner (part number: 83 19 2 365 214).

The thread must be completely free of engine oil!

Fig 10: Cleaning Thread With Brake Cleaner

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Oil drain plug (1).

Fig 11: Oil Drain Plug

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Install oil filter cover (1) and tighten at hexagon head (2).

Tightening torque: 11 42 1AZ .

Fig 12: Oil Filter Cover And Hexagon Head

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Tighten oil drain plug (1) at hexagon head (2).

Tightening torque 11 42 2AZ .

Fig 13: Oil Drain Plug And Hexagon Head

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Concluding tasks: 

• Run engine for a brief period then switch off
• With vehicle horizontal, check the oil level and correct, if required