13 41 500 Replacing idle speed control valve (M52TU, M54)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Switch off ignition.
Disconnect battery ground wire.
Observe instructions for disconnecting and connecting battery. See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY

M52TU only:

Remove intake filter housing. See 13 71 000 Remove and installing intake filter housing (M52TU, M54)

Pull Bowden cable upwards out of holder (1) and suspend from throttle.

Fig 1: Pulling Bowden Cable Upwards Out Of Holder

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Loosen hose clamps (1).

Detach air intake hose section from throttle assembly and idle actuator.

Fig 2: Loosening Hose Clamps

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Installation:

To facilitate installation, fit air-mass flow sensor with intake hose (1). Coat intake hose (1) with antiseize agent.

Fig 3: Fitting Air-Mass Flow Sensor With Intake Hose

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M54 E46/E53 only:

Remove complete intake hose (between intake filter housing and throttle assembly). See 13 54 251 Replacing intake hose (between connecting piece and throttle assembly) (M54)

M54 E60/E61/E65/E66 only:

Remove intake hose.

M52TU and M54:

Unfasten following plug connections:

Resonance flap
Idle speed control valve

Fig 4: Removing Intake Hose

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Installation location:

Idle actuator (2) is fitted below intake air manifold, directly above throttle (1).

Fig 5: Identifying Location Of Idle Actuator

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Release screw (1) on cable duct mounting.

Release screws (2) on holder of idle actuator (3).

Remove idle actuator with holder from intake air manifold.

Fig 6: Releasing Screws On Holder Of Idle Actuator

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Detach idle actuator (2) from rubber retainer (4).

Always replace gasket (1) from idle actuator (2) to intake air manifold. However, during reinstallation, do not fit gasket on idle actuator but install first in intake air manifold.

Fig 7: Detaching Idle Actuator From Rubber Retainer

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Installation:

Replace seal (1).

Coat gasket (1) on inside with antiseize agent.

Fig 8: Replacing Seal

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NOTE: Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Then clear fault memory.