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Thread: 2007 Z4 Convertible issues

  1. #1
    Join Date
    Jan 2021
    Chas. WV
    My Cars
    2007 Z4

    2007 Z4 Convertible issues

    The opening/closing mechanism on my Z4 was beginning to fail. Took it to BMW dealer and they replaced the motors, and various other items and at pick up it was SLOW and LOUD. Service tech said it was because it was cold and when weather warmed it would be fine. Does this sound like BS

  2. #2
    Join Date
    Jan 2005
    My Cars
    11/88 E32 750iL+98 E36M3
    moved to Z4 forum
    Shogun's T&T for E32 series

  3. #3
    Join Date
    Jan 2015
    Timaru, New Zealand
    My Cars
    Two Z3 Roadsters 2L & 3L
    Slow and loud sounds like air in the system being worked out. Operate the top a 1/2 dozen times or so and see if it improves.
    2000 2.0L Z3 Roadster,
    2000 3.0L Z3 Roadster,
    2000 323i E46

    There is only one thing more pleasurable than working on a Z3, that's driving it top down on a fine day.

  4. #4
    Join Date
    Jan 2016
    My Cars
    2001 525it
    Take it back and have them look at again, at no charge

  5. #5
    Join Date
    Sep 2018
    Mechanicsburg, PA USA
    My Cars
    2003 2.5 BMW Z4
    Muzz258 advice is totally correct if your referring to the movement of the top itself going down and then back up.

    However, I believe based on your posting that the repair/replacement your concerned about was the release/lockup motor and gears at the windshield? If so, I honestly can't tell that the tech's info was BS. If your from WV then your aware that Electric motors do not operate the same in hot and then cold weather. The good thing is you already had a dealership repair which should carry a two year warranty on parts (not sure on labor). Based on that warranty I'd wait until warm weather until I put the top down. You'll know then if you received a faulty motor and will be able to make a warranty claim. I believe the gears up at the release are a mix of metal and plastic and I honestly wouldn't stress then (plastic parts) releasing the top in cold weather.

    I always believed that the convertible top was designed not to work below 40 degrees F .....which might be incorrect.

    However, again, if I'm incorrect and your post concerned the movement of the top itself to the fully down/up positions, then Muzz258 advise was totally correct.

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