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BMW leakage test for intake system on engine N63O1

11 61 730 

Special tools required:

  • 2 358 459
  • 2 359 613
  • 0 426 464
  • 81 31 2 357 800 (bisher: 81 38 2 201 924)
  • 2 353 954

Attention!

Excess pressure and vacuum lines can be recognised by the size of their fasteners and are colour-coded blue and red respectively.

Identification:

Pressure line blue

Vacuum line red

Excess pressure and vacuum lines must not be mixed up.

Mixing up the lines will result in engine damage.

Necessary preliminary tasks:

Remove intake filter housing

Prepare BMW diagnosis system

Start diagnosis program

  1. Power train
  2. Engine electronics
  3. Air supply
  4. Charging pressure control system or perception of lack of power

Ordering information:

Workshop Equipment ‐ Start BMW

Workshop equipment catalogue

Measuring and test equipment

Service and diagnosis

Order number 81 29 0 426 464

Order number 81 31 2 353 954

Check intake system for leaks:

For a precise leakage test, both clean air pipes must be closed with the special tool 2 358 459.

Fasten clamp with 4 Nm.

Connect the pressure hose (1) with special tool 2 358 459 .

For F15 and F16 special tool 2 359 613 is required.

Insert the blue over overpressure lines into the pneumatic coupling (1) up to the limit position.

Insert the blue overpressure lines on the diagnosis auxiliary device 0 426 464 on the connector (1).

Connect the IMIB (3) with the connector (2) of the diagnosis auxiliary device by means of the hose 81 31 2 357 800 (bisher: 81 38 2 201 924) .

Installation note:

Follow diagnosis instruction.

Leak detection with BMW smoke tester:

Disconnect the overpressure line (2) on the diagnosis auxiliary device.

Connect pressure line (1) from the BMW smoke tester 2 353 954 with the overpressure line (2).

Put the BMW smoke tester 2 353 954 into operation according to the operating instructions.

Observe BMW diagnosis instructions.

Leaks on the air intake duct are detected by escaping smoke.


Categories: 11 Engine
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