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Thread: Trying to register new battery

  1. #1
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    Trying to register new battery

    .
    Last edited by chrisefird; 02-28-2019 at 01:29 PM.

  2. #2
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    Well, you DO have another problem, beyond battery registration. A battery does not have to be registered, to start and run the car. Registration just tells the DME how much to tell the alternator to charge.

    Did the car start BEFORE you replaced the battery? Are you communicating with the engine computer? Are there any faults in the CAS or DME?

    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

  3. #3
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    During installation, did the battery cables get hooked up backwards, even for a second? In your computer diagram on ISTA, is the DME green, yellow, or red? How about the CAS? Can you talk to the DME?

    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

  4. #4
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    Not good...the DME is missing in action. I'd start by checking all the fuses. You will not be starting the car until the DME comes back online. The trunk and alarm have nothing to do with this.

    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

  5. #5
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    I bet the VCM SVT is screwed up (internal vehicle configuration). Happens on occasion with voltage fluctuations.

    If you have esys, I would rewrite VCM svt with original. That would fix that situation.


    The above-mentioned situation happened to me on my dad's X3 while I accidentally disconnected ICOM while it was still clearing codes in ISTA D.
    What was funny is that he was there, and didn't freak out when all the lights in the world came on. The car did start though.. but nothing else worked correctly.
    Last edited by 328 Power 04; 02-02-2019 at 10:15 PM.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  6. #6
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    I doubt anything is fried, yet. But definitely chase down wires for shorts.
    Do not attempt any programming, as it can screw things up more. Avoid blind trials.

    Your codes suggest that the WUP line isn't working correctly. WUP is wake up line from FEM module. It is a simple 12V signal, telling modules to boot up. Keep in mind there are fuses on the FEM module as well.

    You need to find out where that connector fits on the wiring diagrams, use ISTA for that. Then use the wiring diagram as a guide.

    - - - Updated - - -

    Regarding the esys procedure to restore SVT to the VCM (if needed), do not attempt it if you're not familiar with esys. If done incorrectly, you can make things worse.
    ISTA will not recover VCM issues.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  7. #7
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    Quote Originally Posted by chrisefird View Post
    I was able to move my way from the DME to the connector in the photo below. If I remove the connector I'm able to turn on the ignition and leave it on but as soon as I plug the connector in the power shuts off. Also the voltage going to the connector was a little low.

    https://imgur.com/a/RHU2Hzi
    Be careful that you're not confusing a normal shut-off, often due to battery discharge. How did you happen upon this phenomena anyway> I mean, what encouraged you to just disconnect a random plug? What's that plug connected to?

    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

  8. #8
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    Quote Originally Posted by chrisefird View Post
    Here's the control unit tree:
    https://imgur.com/a/yLcG9Jg

    They didn't get hooked up backwards. The only thing I can think of is I opened the trunk without unlocking the doors first so the alarm went off the first time when I disconnected the negative terminal.
    I'm sharing nothing more than a hunch here, based on how my own alarm behaves : the alarm went off not when you disconnected the negative terminal, but before that, when you opened the trunk. Disconnecting the terminal while the alarm was on might have triggered some kind of safety feature preventing the engine from starting.

    How about syncing EWS (if that is linked to the alarm)?

    How about a more rudimentary "procedure" (please don't laugh):
    - connect your battery terminals
    - open the trunk without unlocking the doors the same way you did the first time
    - while the alarm is on and the trunk still open, unlock the doors
    - close the trunk and lock up everything
    - unlock and try starting the car.
    "If you have integrity, nothing else matters. If you don't have integrity, nothing else matters." Alan K. Simpson.
    5spd E46 "3XX": 328i engine, 330i Intake and exhaust, CAI, 323i diff.

  9. #9
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    Too much derailing going on here.
    There is almost nothing similar from E46 to F30 electronically.


    FEM module = CAS (+a few other consolidated modules inside). There is no cas-dme sync procedure, nor has there been one since ~2009 models.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  10. #10
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    duplicate, mods, please merge if possible.....

    https://www.bimmerforums.com/forum/s...er-new-battery
    '95 325iS - auto to manual swap done!

  11. #11
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    This car needs to be looked over with ESYS for vehicle configuration data corruption, this is an extension of the previous thread, where many tried to help.
    If you need help with that, I can look over it for you remotely when/if I get a moment, just ask.

    The "test" about plugging in a plug means nothing. I wouldn't shotgun parts at it.
    Last edited by 328 Power 04; 02-14-2019 at 07:03 PM.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  12. #12
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    Duplicate/related thread - please merge if we can.

    https://www.bimmerforums.com/forum/s...er-new-battery
    '95 325iS - auto to manual swap done!

  13. #13
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    Sorry didn't mean to duplicate. Thought maybe it would be considered a different topic

  14. #14
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  15. #15
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    Took it to an independent BMW shop and they weren't able to diagnose the issue and now it's at the dealership. Hopefully, they can figure it out

  16. #16
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    Will CPO Warranty Cover DME Failure?

    Anyone know?

  17. #17
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    If they dx that it's faulty I would think so. How do you know it's bad

  18. #18
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    The dealership called me and told me the DME was bad. The service advisor told me they were going to discuss it with the shop foreman and see if it's covered under warranty

  19. #19
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    CPO will cover a faulty DME. The DME is also covered by the 8 year/80k mile federal emissions warranty.
    ASE and BMW Master Certified Technician

  20. #20
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    this is related to this for those that want background:

    https://www.bimmerforums.com/forum/s...er-new-battery
    '95 325iS - auto to manual swap done!

  21. #21
    MauiM3Mania's Avatar
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    Quote Originally Posted by shadowpuck View Post
    this is related to this for those that want background:

    https://www.bimmerforums.com/forum/s...er-new-battery

    +1. Threads merged.
    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

  22. #22
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    Did they say it was bad because it was red on ISTA?
    What other modules were red on ista?
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  23. #23
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    Prior to taking to the dealership just the DME was red. The dealership called me and said it looks like it's the DME
    Last edited by chrisefird; 02-28-2019 at 12:17 PM.

  24. #24
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    They said that they will fix it under warranty. Hopefully it solves the problem

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