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Home >> BMW >> 2009 >> 135i 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair >> Intake Manifold >> 11 61 730 BMW Leak Test For Intake System (N54) >> Pressure measurement

Pressure measurement

Prepare BMW diagnosis system on diagnosis unit.

  1. Screw in pressure sensor.
  2. Overpressure connection (Blue).
  3. Connect stimuli cables (3) to positive and negative.
  4. Connect 12V battery cables (4) to vehicle battery positive and negative.
    Fig 1: Measuring Pressure
    G05501826Courtesy of BMW OF NORTH AMERICA, INC.

Secure seal plug (1) with union nut (2) in intake duct and seal.

NOTE: Twin-Turbo: both intake ducts must be sealed.
Fig 2: Identifying Seal Plug And Union Nut
G05501827Courtesy of BMW OF NORTH AMERICA, INC.

Insert Blue pneumatic hose (4) in pneumatic coupling (2) of sealing plug (1).

Seal plug (3) has no pneumatic coupling.

Fig 3: Inserting Blue Pneumatic Hose In Pneumatic Coupling Of Sealing Plug
G05501828Courtesy of BMW OF NORTH AMERICA, INC.