11 61 730 BMW Leakage Test for Intake System (N63O1)

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Special Tools Required:

2 358 459 .
0 426 464
2 201 924
2 353 954

IMPORTANT: Excess Pressure and Vacuum Lines Can Be Recognized By The Size of Their Fasteners and Are Color-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 SILENCER 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:

applicable BMW applicable BMW Workshop Equipment - Start BMW
applicable BMW applicable 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 .

Fig 1: Connecting Pressure Hose with Special Tool 2 358 459

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Insert The Blue Over Overpressure Lines Into The Pneumatic Coupling (1) Up To The Limit Position.

Fig 2: Identifying Overpressure Lines and Pneumatic Coupling

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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 2 201 924.

Fig 3: Identifying Overpressure Lines, Diagnosis Auxiliary Device, Connector, and IMIB

Courtesy of BMW OF NORTH AMERICA, INC.

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).

Fig 4: Connecting Pressure Line From BMW Smoke Tester 2 353 954 with Overpressure Line

Courtesy of BMW OF NORTH AMERICA, INC.

Put The BMW Smoke Tester 2 353 954 Into Operation According To The Operating Instructions.

Fig 5: Identifying BMW Smoke Tester (2 353 954)

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Observe BMW Diagnosis Instructions.

Leaks On The Air Intake Duct Are Detected By Escaping Smoke.