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Thread: Dynamic Drive Malfunction - 2005 645ci

  1. #26
    Join Date
    Mar 2016
    Location
    fort washington md
    Posts
    1
    My Cars
    2002 325xi 2004 545i
    when you changed your altenator on your bmw did that actually solve your problem with the dynamic malfunction light coming on.. mine just came on today for the first time and it puzzled me so i am doing some research on the problem... i know for a while my active steering light was on but it didnt affect anything as far as the ride but now my dynamic malfunction light and my active steering light is on after hitting a pothole..

  2. #27
    Join Date
    May 2017
    Location
    ATLANTA
    Posts
    5
    My Cars
    05 BMW 645CI
    I have a similar problem and I took it to the dealer and I am also replacing the IVM module.
    Quote Originally Posted by Kevin Bowen View Post
    Guys, when driving for a while my Dynamic Drive malfunction light goes on, then shortly after that the active steering malfunction light comes on, then the ac goes on and off. Usually when I turn the car off everything re-sets. Yesterday it progressed even worse.... including all of the above then the tranny wouldn't shift out of high gear when I came to a stop. When I started again it was clearly in high gear. Sounds light a module is going bad ?
    Last edited by Charles645ci; 05-26-2017 at 04:27 PM.

  3. #28
    Join Date
    May 2017
    Location
    ATLANTA
    Posts
    5
    My Cars
    05 BMW 645CI
    I also put Prestone European Power Sterring fluid in and helped stopped the leaks and a new ALT belt helped to.
    Quote Originally Posted by Charles645ci View Post
    I have a similar problem and I took it to the dealer and I am also replacing the IVM module.

  4. #29
    Join Date
    Feb 2018
    Location
    Los Angeles, CA
    Posts
    1
    My Cars
    2005 BMW 645ci
    Hi Kevin! Any chance you still have the word doc and pics from when you changed the voltage regulator in your 2005 645ci? I am looking to change mine out and can稚 find much on YouTube or google. If you still have your instrtuctions, it壇 be great to see them. Also, where did you buy the part?

  5. #30
    Join Date
    Jul 2018
    Location
    Melbourne, Australia
    Posts
    1
    My Cars
    2005 BMW 645 convertible
    Hi Kevin, I'm having all the same issues with my new, to me 645 model 2005, despite new battery and an expensive Dealer visit. Could you send me the Word doc so I can share with the mechanic? Much appreciated.

    Quote Originally Posted by Kevin Bowen View Post
    OK guys, I put a new regulator in for $50. Took me a couple of hours. runs like a champ. I have done a write-up with pictures in a word doc. But the file is too big to up-load. This the first DIY I've done for this site, so any suggestions would be appreciated.

  6. #31
    Join Date
    Dec 2015
    Location
    UK
    Posts
    14
    My Cars
    04 BMW 645ci
    Think this might be what your looking for, it should be noted that the E63/64 came with either Bosch or Valeo alternators (vast majority being Valeo), it's important to get the correct regulator to match.
    Attached Files Attached Files

  7. #32
    Join Date
    Sep 2007
    Location
    Farmington, MI
    Posts
    5
    My Cars
    2001 BMW 330ci Vert
    Hey guys, sorry to bump this old thread, but I just got a 2005 645ci. I have a dynamic drive malfunction comes up after driving for 30 mins or so usually, and also the stereo starts cutting in and out, almost like a speaker is blown.

    The battery is good, so next step is a new alternator I guess cause I知 reading (here and a few other posts) that it値l fix the dynamic drive error, but just want to see if you guys think it値l fix the speakers as well. I知 worried I知 about to spend $900 to replace an alternator, the problem will still be there, and I知 just going down a rabbit hole!

  8. #33
    Join Date
    Feb 2010
    Location
    Hampshire UK
    Posts
    8,871
    My Cars
    99 840ci Sport Indv
    If your battery terminal voltage (measured with a cheap multimeter) is over 13.5V with the engine idling then the alternator is doing its job and doesn't need replacing....
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


    My BMW Repair YouTube Channel
    My Current 840ci Sport Individual
    My Current 650ci Sport Individual
    My E31 Repair and Information Website
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    Chase - Heroes to a generation

  9. #34
    Join Date
    Apr 2019
    Location
    Atlanta,Georgia
    Posts
    1
    My Cars
    2004 BMW 645ci
    Hello everyone I have a 2004 BMW 645Ci and I need help to figure out if its problems I am having are the transmission or some type of module or something. The first issue I had was at a buddies house when I shifted into reverse the car would move but after waiting around a hour I tried again and it worked fine. Does this sound like the trans needs to be replaced ?

  10. #35
    Join Date
    Jun 2019
    Location
    Salt Lake City, UT
    Posts
    2
    My Cars
    2005 645 ci
    I have a 2005 645 and need advice on replacing the front turn signal bulbs, I can't get to the back of the blinker light assembly. Any help?

  11. #36
    Join Date
    Apr 2020
    Location
    Pennsylvania
    Posts
    14
    My Cars
    2005 645ci
    Hey I need your help my idle is real low and my engine light keeps going of the dash then it comes back on I知 nervous when I stop at the light and I can tell I知 not getting the full power when I知 pushing the gas but it still runs smooth I did all the Normal stuff that never works coils new battery new spark plugs new alternator it seems like that stuff never fixes the problem on these cars new valve covers I知 still getting that low idle now when I start it up it starts up sometimes and then cuts off this is the code Engine-DME engine electronics ME922 thank u if u can help and thank u if u can

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