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BMW E60 535D Electrical problem

  • 16-04-2011 9:37am
    #1
    Are we nearly there yet....
    Registered Users Posts: 24 ✭


    I have a 535D 2005 which has an intermittent electrical problem. Shortly after starting the car the electrical power seems to cut out for a second and every error message under the sun comes up on the idrive. battery fault, servotronic failure, abs failure etc etc. If you switch off and restart its fine then all day. Generally happens about 3 or 4 mins after you start the car.

    So far have had a new battery fitted and coded correctly, new IBS battery lead, New MPM module. Now running out of ideas and money.

    Anyone ever heard of this before or any ideas on what to check next. A few US BMW forums have shown the same issues with cars there but there were no posts on what actually causes it.


Comments

  • #2
    Owen
    Registered Users, Registered Users 2 Posts: 12,683 ✭✭✭✭Owen


    I don't think anyone's going to have the answer here. I'm guessing it's had time to sit on a BMW GT1 or the newer ISIS diagnostic machine?


  • #3
    Are we nearly there yet....
    Registered Users Posts: 24 ✭Are we nearly there yet....


    The only thing that shows up on a diagnostic check is low voltage so we changed battery and MPM module. Alternator seems ok and charging voltages are fine. At €800 I am holding off changing it!


  • #4
    E39MSport
    Registered Users, Registered Users 2 Posts: 3,721 ✭✭✭E39MSport


    Have a look on bimmerforums.com and bmw-driver.net for a start.


  • #5
    marzi
    Registered Users Posts: 22 ✭marzi


    this is a bulletin that was sent out to bmw dealers, follow the link...

    http://www.scribd.com/doc/40404048/SI-B-61-13-06-Electrical-Problems-Caused-by-Water-Ingress-1


  • #6
    Are we nearly there yet....
    Registered Users Posts: 24 ✭Are we nearly there yet....


    Got it sorted at last. The regulator in the alternator was faulty and was causing electrical spikes which were knocking out the electronics intermittently. Thanks for the help.


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  • #7
    boyboogy
    Registered Users Posts: 2 ✭boyboogy


    @ Are we nearly there yet.... I think I have exactly the same issue. Can you tell me what sort of cost was it to replace the alternator regulator?


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