Question about BMW 525

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2004 525 Active Steering Light stays on

2004 525. Active Steering fault light displays and won't go away. Problem is similar to other posts. My independent BMW mechanic replaced the battery, which had gone bad. He tried the steering post to post step to reset the Active Steering, but the light stays on. The car drives fine. He said he'd research the problem and I'll go back in a few days. I think he is aware that the next step could be expensive, and from what I read, it could be $4,000-5,000 to replace the Active Steering unit, wipe the computer and reload the software. My other option is to take it to a dealer in hopes they have found a simpler solution. Any ideas?

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  • Greg Stefan May 27, 2010

    Can you discribe the warning light please. Thanks.

  • mweddle297 May 27, 2010

    Active Steering faulty. It was posted here before. The problem is when the battery goes bad, this can occur. In theory, you are supposed to recalibrate the active steering by turning the steering wheel post to post, but that didn't work.I have seen this problem here and elsewhere, but no definite solution other than pay dealer to replace everything, which postings say are quoted at 4k to 5k, which is absurd, even if BMWs are great cars.



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Can you discribe the warning light please. Thanks

Posted on May 27, 2010

  • Greg Stefan Jun 02, 2010

    I'm sorry , didn't get back to this right away,I've been buisy.
    But about this problem , I think it needs calibration with special tools.
    The other day I replaced ABS control module on 2002 525I and it needed programming.
    After I programed it with special tool (scaner) , I had to recalibrate steering angle sensor
    and I used scaner again because it would not take it manually.
    It's very possible that you need to take it to mechanic shop which has the special tools(GT1) and let them try to recalibrate you steering sensor.
    I know that by disconnecting the battery you can make a lot of weard stuff happend to the computers on German cars , but I don't think it's going to kill them.



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