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From tbrewste_at_sedona.intel.com Thu Mar 12 07:39:39 1998
for <dale_at_unofficialbmw.com>; Thu, 12 Mar 1998 07:39:37 -0800
by pan.ch.intel.com (8.8.6/8.8.5) with ESMTP id HAA23928
for <dale_at_unofficialbmw.com>; Thu, 12 Mar 1998 07:39:36 -0800 (PST)
Date: Thu, 12 Mar 1998 08:36:19 -0700
From: Troy D Brewster <tbrewste_at_sedona.intel.com>
Reply-To: tbrewste_at_sedona.intel.com
To: dale_at_unofficialbmw.com
Subject: <E36> CD Changer Installation in non-prewired BMWs
Well here's how I accomplished this task for my '92 318i. I'll try not
too make too many errors. Sorry it took so long.
Mounting the Changer
Non-prewired cars not only do not have the data and power cables for the
Changer, they do not have the mounting brackets found on pre-wired
cars. Therefore, the installation kit for the E36 cannot be used to
mount the Changer. Instead I used the installation kit for E32/E34
vehicles to mount the Changer to the rear parcel shelf in the center of
the trunk. There are two holes already in the parcel shelf which you'll
need to align with the holes on the E32/E34 mounting bracket. (There
are two portions to this mounting bracket. The L-shaped bracket will
not be used.) For better stability I drilled two additional holes into
the parcel shelf. These were located behind (towards the front of the
car) of the holes that already existed in the parcel shelf. I used the
holes already on the mounting bracket to determine the drilling
locations. I also enlarged the holes on the mounting bracket slightly
so that I could use a decent size bolt to mount the bracket.
In addition, a rectangular bracket should be included with your CD
Changer. This is held to the Changer by 4 hex-head screws and in turn
screws onto the E32/E34 bracket which will be bolted to the rear parcel
shelf. Attach this rectangular bracket (you'll need to find bolts/nuts
that fit the available openings) to the E32/E34 bracket and bolt the
assembly to the rear parcel shelf. Now attach the CD Changer using the
4 hex-head screws. This is fun because you'll need to balance the CD
Changer in one hand, align it with the bracket, secure the screws with
the other hand, and Viola - you're done.
Installing the data and power cables
Let me preface this section by saying that if you desire the cleanest
possible installation, I recommend you remove the driver's seat before
routing the data cable. This I did not do for obvious (I hope) reasons
but you're welcome to do so if you choose.
Radio removal: you can purchase the radio removal tool from BMW for
about $15 (when you see it you can determine whether or not you want to
spend the $15). The other option is to used a 2.5 mm (or it it 2.0 mm -
you'll figure it out) hex wrench. It may take a little wiggling since
it's not a perfect fit but it works. BTW, know what your radio code is
prior to removing because if you accidentally cut power to the the radio
you'll be SOL and will not be able to verify that the CD Changer is
working when you're all done.
Before you can route the data cable you'll need to remove a few trim
pieces and your rear seats. Remove the kick panel below the steering
wheel. This is secured by 3 screws (2 above and 1 bottom RHS). Remove
the speaker cover. I think this is held in place by a single screw; the
same screw attaches the hood release lever. Also remove the panels
along the drivers side of the car so that the cable can be routed below
the carpet and out of view. I also remove the panel on the B-pillar.
Just see what prevents you from getting the cable under the carpet and
remove it. Essentially that was my approach. There is also a panel,
more visible after the seats are removed, by the rear seats that will
need to be removed. Most of the panels are held in place by snaps but
there are screws on a few of them so use caution when removing the
panels. Unless you are not opposed to buying new panels, don't use the
brute force method. If a panel doesn't come off with moderate force,
verify that there are not screws of clips holding it in place prior to
yanking on it even harder.
Data/Power Cable routing: With all panels removed you should have easy
access
to the carpet/floor area. Simply attach the cable to the rear of the
radio making sure it's properly secured and route it beneath the dash
and down the LHS of the car below the carpet. You'll see why I said
earlier that removing the driver's seat will enable better routing of
the cable. There's a small hump to which the seat is attached that
you'll have to route the cable over rather than under. There is an
opening (which you'll have to punch out one of the slots) behind the
seat back
for routing the cable to the trunk. You'll have to remove the panels in
the trunk to route the cables to the Changer.
You'll also need to obtain a power cable. You can create your own but
you'll have to splice into the existing power cord on the CD Changer
since it has the usual weird BMW connector. The other option is to
purchase one from the dealer or your local salvage yard for $5-$10. I
routed the power cable directly to the battery conveniently located in
the trunk using a pair of connectors from Radio Shack. If I recall
correctly, the wires on the power cable are yellow and black. Black is
ground (-) and yellow is power (+). You definitely want to be sure you
have the radio code since you'll be removing the bolts on the battery
cables in order to connect the power cable.
That's it, you're done. Put all wiring out of sight and replace the
panels. However, verify the operation of the CD Changer before putting
the panels back in place.
Regards,
/troyb
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