Pressure measurement

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Prepare BMW diagnosis system on diagnosis unit.

Screw in pressure sensor.
Overpressure connection (Blue).
Connect stimuli cables (3) to positive and negative.
Connect 12V battery cables (4) to vehicle battery positive and negative.

Fig 1: Measuring Pressure
Courtesy 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

Courtesy 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

Courtesy of BMW OF NORTH AMERICA, INC.