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BMW E30 1987 325 Cabriolet

Tiny
KHALIDMIAH
  • MEMBER
  • 1987 BMW 325
THANKS FOR YOUR EXPERT ADVICE ON ALL THE TOPICS.
MY CONCERN IS THE SPEEDO METER ON THE INTRUMENT PANELS. EVRYTHING ON THE PANEL WORKS FINE BUT ONLY THE SPEEDO METER AND THE SMALL METER UNDER THE REV COUNTER METER THAT SHOWS MPG IS NOT WORKING. I HAVE REPLACED THE WHOLE PANEL CLUSTER BUT THE SAME PROBLEMS REMAIN. I WOULD BE GRATFEUL FOR YOUR HELP.


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Sunday, November 11th, 2007 AT 9:40 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
The problem could be that it is not getting a speed signal from the switch in the differential. Put a DVOM on the switch and see if if shows a switching action when the rear wheels are turned.(Note: this is a reed switch and is not able to generate voltage, so do not attempt to set the meter for voltage, set for resistance) You say you replaced the cluster, it is also possible it will need an S.I. Board. As the tempo signal is generated through it. Part # for the S.I. Is 64-11-9-070-793. Try this website
realoem. Com. Send me a PM if needed and I can assist you with this issue. Good luck!
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Monday, November 12th, 2007 AT 2:28 PM

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