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Thread: 1999 M3 Wont Crank

  1. #1
    Join Date
    Jan 2017
    Location
    nj
    Posts
    55
    My Cars
    2001 740i Sport

    1999 M3 Wont Crank

    hey i'm having a really weird issue with my e36. the battery is good, the alt is good, and im pretty sure the starter is good. My car wont crank and i tried bypassing the clutch safety switches, and getting a new key. It runs and drives fine with a push start. I tried a new ignition switch and even with the new one there isnt 12v at the yellow and blackwire when the key is in start position, only when in run. there are no fault codes. It wont start via the ignition no matter what i do, also doesn't dim or click when trying. Thanks

  2. #2
    Join Date
    Nov 2012
    Location
    CA
    Posts
    540
    My Cars
    96 318ti
    if you have verified that all stuff like the starter and battery are in working order, then I would suspect your EWS module. People on the forum say you can bypass it by cutting a wire. search around.
    DIY 96Z3 (M44): Drive Belts, Starter, H2O Pump
    DIY 00ZM (S52): Gauges: clock, battery, oil

  3. #3
    Join Date
    Jun 2010
    Location
    NY
    Posts
    9,079
    My Cars
    1997 328i
    Your starter is bad.
    Attn. NEWBIES: Use the search feature, 98% has already been discussed.
    Click the search button, select "search single content type", select the "e36 sub forum" specifically, try the "search titles" then try the "search entire posts".

  4. #4
    Join Date
    Sep 2014
    Location
    Minnesota
    Posts
    1,498
    My Cars
    E21 323i, E36 M3
    Quote Originally Posted by mnguyen84 View Post
    if you have verified that all stuff like the starter and battery are in working order, then I would suspect your EWS module. People on the forum say you can bypass it by cutting a wire. search around.
    This was the same problem I had occasionally on my 95, which I fixed by cutting the EWS wire. I think the later 99 EWS is more complicated to bypass. Try jumping the starter first though.


  5. #5
    Join Date
    Dec 2002
    Location
    Offshore GOM
    Posts
    3,205
    My Cars
    E36 M3's
    Where is this EWS wire? Mine just left me stranded... battery is fine... just won't crank.
    Dakar 95 M3 (4/95 manufacture)
    Techno Violet 97 M3 (12/96 manufacture)
    Alpine White 16 535i M-Sport (10/15 manufacture)
    _________________________________
    "I have no idols. I admire work, dedication and competence." -- A. Senna
    Illegitimus Non Tatum Carborundum

  6. #6
    Join Date
    Jun 2002
    Location
    Aberdeen, NC (yes, again)
    Posts
    23,672
    My Cars
    E39M5, E500 4WD
    Casebrius, I've answered your thread on the Gen'l Mechanical forum. Don't chop any wires....this is bad information.

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

  7. #7
    Join Date
    Dec 2002
    Location
    Offshore GOM
    Posts
    3,205
    My Cars
    E36 M3's
    For anyone reviewing this thread, check ALL fuses related to OBD and make sure they are intact. Mine ended up being fuse 46 (95 M3). The OBC seemed to work fine, but that fuse was blown and prevented the car from starting.
    Dakar 95 M3 (4/95 manufacture)
    Techno Violet 97 M3 (12/96 manufacture)
    Alpine White 16 535i M-Sport (10/15 manufacture)
    _________________________________
    "I have no idols. I admire work, dedication and competence." -- A. Senna
    Illegitimus Non Tatum Carborundum

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