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From digest.v7.n1298 Fri Mar 13 07:14:46 1998
From: John Firestone <>
Date: Fri, 13 Mar 1998 10:01:59 +0100 (MET)
Subject: Cable routing - was: <E36> CD Changer Installation

Troy D Brewster writes:
> 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....

The instructions BMW supplied with their E36/2 electric vent window kit includes the following caution:

CABLE LAYING In order to prevent faults and errors, keep to the cable routes provided in the vehicle.

The German original is more stern.

For this job, the "provided cable route" is inside the electrical raceway underneath the carpet. Its covers can be lifted off once the driver's seat has been removed.

Is this just a case of the factory being excessively fastidious or are there long term wear and tear problems if you don't keep to the raceways? The carpet seems pretty well padded. On the other hand, copper wire can only be worked a limited extent before it fails.

  • -John '96 318is
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