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Thread: E46 M3 Stalling at Highway Speeds

  1. #1
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    E46 M3 Stalling at Highway Speeds

    I have found a 2002 manual BMW M3 for sale close to me for $7000 Canadian with 220000km. The car is in mint condition aside from one issue. The car stalls when put into neutral at highway speeds. The owner has not provided any other details other than a full walk around of the car idling for 5 minutes with no hiccups and showing no lights on the dash. The owner says this happens at highway speeds. The only modification that I can see is done to the car is an aftermarket K&N cold air intake. What might be the issue? Is the fix costly?

  2. #2
    MauiM3Mania's Avatar
    MauiM3Mania is offline Observer/Master Skeptic Moderator
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    Moved from E46 Common Problems and DIY Fixes sub-forum.
    04M3 TiAg 69k slick-top 3 pedal
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  3. #3
    Join Date
    Apr 2009
    Location
    Vancouver Isl, BC, Canada
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    98 Euro M3, 04 M3, 06 M5
    Could be a lot of things. You need to get it scanned with a proper BMW scanner and see what faults are stored.
    Current:

    - 09 335i MSport, FBO.
    - 98 Euro M3, Estoril Blue
    - 04 M3, Carbon Black, 6 Speed Coupe
    - 06 M5, Black on Black, Full Leather.
    - 73 3.0CS, Tagia Green, 5 speed M30b35 converted

    Ex's: 1984 325e, 1988 325IX, 1992 525I, 1995 540i/6, 2002 330i, 2005 330xi, 1992 850i, 2003 330i #1, 2003 330i #2, 2002 330ci, 2004 330ci, 2007 328CI, 2007 335i, 2001 M3, 2006 M5 6 speed

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