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Thread: Battery Change

  1. #1
    Join Date
    Jul 2018
    Location
    NE Ohio
    Posts
    34
    My Cars
    2007 Z4 3.0si Roadster

    Battery Change

    The battery on my '07 3.0si died the other night. I had no choice but to jump it. It seems that my clock and trip odometer were reset. Is there anything else that reset itself after the battery died?

    The battery came with the car when I bought it so I'm not worried that there is some drain. Any battery recommendations? Any need to use a power source when I disconnect the old one since it was already dead?

    Thanks

  2. #2
    Join Date
    Jul 2005
    Location
    Temecula Ca.
    Posts
    4,491
    My Cars
    99 M Coupe LS Swap
    I was just reading the manual yesterday to get familiar with my new to me 3.0si, it was referring to the window safety feature and that it should be re-initialized. Seemed odd to me that a safety feature needs to be recalibrated by the owner but that was my take. Maybe I am not comprehending the material correctly.

    After a power supply interruption
    After a power supply interruption, for instance
    after disconnecting the battery, the pinch protection system must be reinitialized.
    Roadster: when the convertible top has
    been stored in the convertible top compartment for an extended period of time, e.g. in
    the winter months because the hardtop was
    being used, it may also be necessary to reinitialize the pinch protection system.<
    Ensure that the doors and the Roadster's convertible top are closed before initializing.
    1. Open the window completely.
    2. Press the switch 4 times within approx.
    10 seconds.
    Afterward, perform the following procedure
    twice for each window:
    1. Close the window completely by pulling the
    switch.
    2. After the window is closed, keep pulling the
    switch for approx. 2 seconds.
    3. Open the window completely by pressing
    the switch.
    Last edited by PbFut; 01-27-2021 at 06:43 PM. Reason: Added text from Manual
    Dan "PbFut" Rose

  3. #3
    Join Date
    Jul 2018
    Location
    NE Ohio
    Posts
    34
    My Cars
    2007 Z4 3.0si Roadster
    Much obliged!

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