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  1. #1
    bbe
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    Car rocking back and forth while braking..needhelp

    Hey guys,

    I've got 56k on my 330i--the rear brakes were replaced about 10k ago and the front brakes were recently replaced, like 2 weeks ago--rotors, pads and sensor--all BMW OEM. What happens is as I come to a complete stop, the car rocks back and forth before stopping completely. This was happening before the front brakes were replaced, and I figured that replacing them would solve the problem, but such is not the case.

    You guys have any ideas?

    Thanks.


  2. #2
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    Member No: 68198 bigk is an unknown quantity at this point bigk's Avatar
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    Could be your shocks are shot??!!


  3. #3
    johnh
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    Re: Car rocking back and forth while braking..needhelp

    bad abs or dsc sensor? perhaps slightly engaging system when it shouldn't?
    if you did not report this as a problem when the brake work was done, they probably didn't look for error readings.

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    While braking or V=0?

    Does it happen while braking or immediately after you come to a stop?

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    Some movement on the bushings is normal

    "Excessive movement" could indicate bust control arm bushings.

    Are you using proper braking technique? By that, I mean backing off to near zero braking just as the car stops. If you brake medium hard and keep your foot in it till the car stops it will bounce back and forth on the bushings - all cars do that to some extent.

  6. #6
    bbe
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    Only when coming to a complete stop...

    Normal braking is fine...

    thanks

  7. #7
    bbe
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    Just had front control arm bushings replaced

    along with the front brakes...

    thanks

  8. #8
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    Member No: 59049 hoscarnag has a little shameless behaviour in the past hoscarnag's Avatar
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    Could be tires or a bad caliper



    visit us on the web at: www.ontherebound.org


  9. #9
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    Had the same issue. It was a control arm for me.

    2005 330i ZHP/CWP Silver Grey/Alcantara

  10. #10
    New Bee MW
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    E39 Rocks back and Forth when comes to stop

    The rocking back and forth feels like a minor fender bender. I think its the low control arm bushings those are going bad - They tends to open up with time, loosing the grips at the end joints of the arm and also makes the steering response latent to your control. They cost around $80 bucks a pair + plus labor.
    Reply With Quote Reply With Quote 70.183.63.34

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    Quote Originally Posted by New Bee MW View Post
    They cost around $80 bucks a pair + plus labor.
    +1
    Should PM these ahead of time anyway!
    Reply With Quote Reply With Quote 71.183.21.79

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