BMW 540i Spezifikationen PDF herunterladen (Seite 16)

Originally developed and published here by unknown author: http://members.cox.net/rlacm/IntakeIndex.htm

Recovered and published by BMW-Planet.com – May 2012

Engine Vent Tube

- PITA Alert! The vent tube is located under the intake manifold (dotted lines in

photo), runs along the driver’s side head/block, and connects the block to the

intake manifold. This tube must be disconnected from the intake manifold prior

to the manifold’s removal.

- Remove the driver’s side air duct between the cabin air filter box and firewall -

at the filter box, release the retainer strap, then rotate the duct 45 degrees

counterclockwise and pull forward away from the firewall. Set duct aside.

- The vent tube mounts to the intake manifold (A) via an o-ring sealed slip fit.

The tube is retained by a spring clip (B), which snaps around the tube (C) and

clips over the manifold’s fitting (A). This clip is accessed at the driver’s side rear

of the intake manifold, down low. Using a small screwdriver, gently pry this clip

up away from the tube. If the clip slides forward on the tube under the manifold,

don’t worry - you’ll retrieve it later. If it falls off down into the motor, get it now

before you forget.

- Now slide the vent tube (C) forward off the connector fitting - it will probably

be stuck, so judicious use of a large screwdriver to help pry it away may be

called for. Work slowly and don’t break anything. Slide the tube all the way

forward until you see that it is completely disconnected from the fitting.

Here's where we'll actually remove the intake manifold, water manifold and plumbing and, finally, the valley

pan.

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BMW 540i Spezifikationen Seite 16