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[bmw] RE: bmw-digest V10 #175
The odometer is electronic, and driven by an electrical motor, and has a
bunch of plastic gears inside.
The odometer of my '85 535i went south about a year ago. On inspection,
I found a plastic gear had disintegrated, cracking apart radially
through the valleys of several of its teeth. This gear is a link to the
electric motor that drives the odometer. I solved the problem by buying
a whole instrument cluster off eBay, for about $25.00. I simply popped
it in, but changing the gear would have been relatively easy with simple
tools. Changing the instrument cluster is also pretty simple: you tackle
a couple of screws on the underside of the dashboard top, and pull down
and out the whole cluster from the top. Then you tackle a bunch of
harnesses and connectors, the majority of which are color-coded.
The interesting thing about this story is that, about six months ago,
the same thing happened with my '85 318i. I haven't checked this, but I
bet it's the same problem.
'87 Alfa Milano
> Date: Fri, 30 Jan 2004 07:29:30 -0800
> From: "Stephen Mickelsen" <firstname.lastname@example.org>
> Subject: [bmw] Dead Odometer
> The odometer on my '87 L6 has stopped working. All the other
> gauges work, including the speedometer and the trip computer.
> Are odometers of this vintage mechanical devices connected
> via a cable or electrical devices? Does anyone have any
> repair ideas before I tear the dash apart?
> 1987 L6
> 2000 M Roadster
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