1981 320i Speedometer Question - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 02-20-2010, 10:03 PM
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1981 320i Speedometer Question

What's up guys? I am new to this forum and have a problem. It seems the Speedometer is constantly inaccurate. 10 miles per hour to be exact. When it says i am going 65 on my speedometer i am actually going 55. What could be causing this problem. Any info would be greatly appreciated.
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#2 (permalink) Old 02-20-2010, 10:15 PM
OMFG another one!?
 
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Are the wheels and tires OEM (original)?

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#3 (permalink) Old 02-20-2010, 10:18 PM
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Yeah they are completely original.
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#4 (permalink) Old 02-20-2010, 10:33 PM
OMFG another one!?
 
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Sometimes the speed sensor is in the transmission, is that also OEM?

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#5 (permalink) Old 02-20-2010, 10:35 PM
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the transmission is also original. Does a 81 320i have a sensor in it? All i see is the speedometer cable coming from the transmission. The cables are fine since I do get speeds on my speedometer.
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#6 (permalink) Old 02-20-2010, 10:48 PM
OMFG another one!?
 
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Hard to say. Maybe there's an issue with the gage itself.

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#7 (permalink) Old 02-20-2010, 11:02 PM
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Mmm maybe I can swap out my gauge with a spare that i have and test it from there. If anyone else has any ideas please post on this topic.

Thanks,
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#8 (permalink) Old 08-28-2010, 10:17 PM
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So did you get it figured out? I'm having same issues...
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#9 (permalink) Old 09-02-2010, 11:33 PM
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Quote:
Originally Posted by bavarian320i View Post
the transmission is also original. Does a 81 320i have a sensor in it? All i see is the speedometer cable coming from the transmission. The cables are fine since I do get speeds on my speedometer.
Thanks you for the post.
Hi guys, Im a newbie. Nice to join this forum.
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