Hi,
I swapped my 3.91 small case diff's center section from an open one to a limited slip unit.
Since then the speedo stopped working.
I suspect that there is a difference in the toothed wheels that are attached to the center sections which drive the speedo sensor.
Anyone knows how I can get my speedo back?
Thanks,
Avner.
Diff/speedo problem
Moderator: martauto
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ric325i
- E30 Zone Squatter

- Posts: 1961
- Joined: Tue Apr 04, 2006 11:00 pm
- Location: Gateshead
man my speedo doesnt work either!
i have not changed anything but it just doesnt work.
is there another sensor apart from the one on the diff?
i have not changed anything but it just doesnt work.
is there another sensor apart from the one on the diff?

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Avner
- E30 Zone Newbie

- Posts: 37
- Joined: Sun Apr 30, 2006 11:00 pm
No, that is the only sensor I know of.
Check your connectors and wiring, or mybe replace the sensor.
When did it stop working?
Check your connectors and wiring, or mybe replace the sensor.
When did it stop working?
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ric325i
- E30 Zone Squatter

- Posts: 1961
- Joined: Tue Apr 04, 2006 11:00 pm
- Location: Gateshead
oh it wasnt working when i got it. joy joy.
changed the sensor for what i think is the earlier model (the connectors on the sensor are slightly different) but the sensor seems the same.
unless the sensor dont work? guess i will track it to the top end and check all that works?
thanx for the advice and hope you get your side working.
changed the sensor for what i think is the earlier model (the connectors on the sensor are slightly different) but the sensor seems the same.
unless the sensor dont work? guess i will track it to the top end and check all that works?
thanx for the advice and hope you get your side working.

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Brianmoooore
- E30 Zone Team Member

- Posts: 49360
- Joined: Mon Jan 10, 2005 11:00 pm
Internal break in the wire near the diff is the usual problem.
