740 speedo

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Old Sep 11, 2006 | 12:45 PM
  #1  
br549's Avatar
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Default 740 speedo

I have a 1991 740T sedan and the speedo is giving incorrect readings. It started with the speedo not working at all for a few minutes and now it floats between 40 and 60mph. However, sometimes it reads correctly. Is this a cable problem or something else?
 
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Old Sep 11, 2006 | 09:04 PM
  #2  
tech's Avatar
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Default RE: 740 speedo

ABS sensor in the Diff Cover in the Rear end.
 
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Old Sep 11, 2006 | 09:58 PM
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wojeepster's Avatar
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Default RE: 740 speedo

Check your wireing and connections. The fact that it works right sometimes implies to me that it may be a faulty connection. (broken, corroded, just touching, etc)
 
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