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Thread: Speedo off by ~5 MPH

  1. #1
    Join Date
    Aug 2009
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    Northeast PA
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    M6 (2013)

    Speedo off by ~5 MPH

    Howdy, folks.

    I seem to find my 2013 F13 reads about 5 MPH higher than actual, based on my GPS. Though I understand that a GPS is sometimes a bit inaccurate, watching the traffic around me in my home area - which I'm familiar with - seems to confirm my suspicion.

    Do any of you have this problem? If so, how did you deal with it?

    Sent from my SM-T813 using Tapatalk
    Last edited by RKBAMAN; 05-12-2018 at 02:41 PM.

  2. #2
    MauiM3Mania's Avatar
    MauiM3Mania is offline Observer/Master Skeptic Moderator
    Join Date
    Jan 2002
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    Central Pacific
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    88M3 99M3 04M3 ITBx16
    Seems typical. The speedo on my M3s are all off by ~4mph. I just mentally adjust.
    04M3 TiAg 69k slick-top 3 pedal
    99M3 Cosmos 61k S50B32 euro 6Spd

    88M3 AW 43k miles Project FS


    WTB: 3.5" Eurosport/Conforti CAI

  3. #3
    Join Date
    Aug 2009
    Location
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    M6 (2013)
    It's just really annoying. It also would result in overstating the total mileage, also,of I'm not mistaken.

    Sent from my HTC 10 using Tapatalk

  4. #4
    Join Date
    Aug 2006
    Location
    Atlanta, GA
    Posts
    25
    My Cars
    2014 BMW M6, Competition
    I have the same issue in my 2014. At first, I just thought my car was extra fast. I now realize its a speedo issue.
    aka Steve L. in the ATL

  5. #5
    MauiM3Mania's Avatar
    MauiM3Mania is offline Observer/Master Skeptic Moderator
    Join Date
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    88M3 99M3 04M3 ITBx16
    Quote Originally Posted by Blkborn View Post
    ... I just thought my car was extra fast. I now realize its a speedo issue.
    You might be happier by holding onto the earlier concept.
    04M3 TiAg 69k slick-top 3 pedal
    99M3 Cosmos 61k S50B32 euro 6Spd

    88M3 AW 43k miles Project FS


    WTB: 3.5" Eurosport/Conforti CAI

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