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140 mph speedo

Discussion in 'E21 (1977-1983)' started by jimjeff, Apr 3, 2011.

    • Member

    jimjeff

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    I found a 140 mph speedo gauge cluster the other day. Trouble is, when i installed it in my '83 320i, the speedo reading is WAY (125 mph at 60) off, anybody else done this conversion? Any ideas what changes i have to make to get the speedo to rear the correct speed?
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    John in VA

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    It could be problem with the speedo head or cable not turning freely, or it might be calibrated for a different ratio'd differential. That was the case for the 2002 mechanical speedos.
    You could send it off to North Hollywood or Palo Alto to have it recalibration to your diff.
    http://www.nhspeedometer.com/
    http://www.paspeedo.com/
    • Member

    CRKrieger

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    You have a 320i. You don't need a 140 mph speedometer ... ;)
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    granthr

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    Yea but there is just something Sh*tty about an 85 mph speedo. :(
    • Member

    CRKrieger

    Post Count: 1,616
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    OTOH, there's something very cool about being able to 'bury' it.

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