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From digest.v6.n880 Mon Jul 14 17:09:12 1997
From: BMW_at_comet.net (Phil Marx)
Date: Mon, 14 Jul 1997 13:50:45 -0500
Subject: re: 87 535iS AC
>From: John Thomson <jthomson_at_mindspring.com>
>Date: Sun, 13 Jul 1997 22:17:22 -0400
>Subject: 87 535iS AC
>
>I just bought a 1987 535IS and love it. I can't get the AC to really get
>cool. The car just had the cooling system replaced (radiater, hoses, etc)
>also the ac drier was replaced. Part of the problem comes from air that
>constanly blows in from underneath the dash on the driver's side. It blows
>in from the engine compartment, so needless to say it is hot air which makes
>the problem worse.
>Thanks in advance for any advice.
>
>John Thomson
Usually this is caused by a missing blank-plug in the firewall near the
steering column entry point. This hole is covered by a plastic plug about
35-40mm in diameter. The plug just snaps in, no insulation, nothing. It
will also quiet those clicking injectors you hear inside the cabin. Most
use an oval plug 35x40mm part number 51.71.1.872.829 (which can't cost $1
but is a bear to find on the film). If you have the 35mm round, it is part
#51.71.1.816.805. Get up under your dash with a flashlight and poke around
with your fingers behind the carpet to find the hole. Not too bad in the
winter but will burn your feet in the summer. You might also find the
piece dropped behind the carpet, if you feel like tearing it up to look.
The fit is not very tight on the plugs. (The second time I used silicone
glue!)
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