13 54 251 Replacing intake hose (between connecting piece and throttle assembly) (M54)

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Switch off ignition.

E53 only:

Detach vacuum lines (1 and 2) from intake hose (3).

Fig 1: Detaching Vacuum Lines From Intake Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Z3, E39 and E53:

Release clips (1).

Pull intake hose (2) out of connecting piece.

Fig 2: Removing Intake Hose From Connecting Piece

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw.

Remove suction jet pump (1) from intake air manifold.

Fig 3: Removing Suction Jet Pump From Intake Air Manifold

Courtesy of BMW OF NORTH AMERICA, INC.

Release hose clamps (1).

Detach intake hose from throttle assembly and idle speed control valve.

Fig 4: Detaching Intake Hose From Throttle Assembly & Idle Speed Control Valve

Courtesy of BMW OF NORTH AMERICA, INC.