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Dash vents, removing or tightening

As these cars get older, often the vents in the dash will loose tension, causing them to drop, or migrate upwards with air flow.
Rather than replace the vents, a simple, quick and permanent fix is to add an O ring to the pivot of the vent.
Remove the effected vent by turning downwards until it stops, then forcing it further downwards until it clicks. At this point, the horizontal adjusting tab should be resting against the frame of the vent 640001.jpg (41071 bytes)
Pull the vent away from the dash evenly, it will slide out of the frame.

(Photo shows vent end for purposes of displaying guide channel, vent cannot be removed on this angle )

640002.jpg (44028 bytes)
Place an O ring on one of the pivot pins inside the vent frame, place the O ring on one side only or the vent will become too tight. 640003.jpg (55222 bytes)
The above  procedure was submitted  by Rion Groh, European Motorsport, 2520 Dominic Dr. #D, Chico CA 95928 ,  http://www.EMsport.com

 

Defog vent, side window, remove and install

Remove the single screw (yellow arrow) in the vent and pull vent up and out of dash in direction of white arrow. 640028.jpg (35999 bytes)

Removing entire vent assembly , including housing and adjusters

Gently pry edge of vent assembly from dash 640029.jpg (41473 bytes)
 

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E30 M3 Repair Manual V2.7.  Copyright ©1999-2001 Koala Motorsport & Brett Anderson