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Door lock not working

Discussion in 'E85/E86 Z4 M roadster/coupe (2006-2008)' started by bgillespie, Oct 30, 2020.

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    I have a 2006 M roadster. Recently I tried to unlock the drivers side door using the remote. It unlocked then immediately relocked. I tried using the key in the door and had the same response. The passenger side door unlocks correctly.

    Any suggestions?
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    I would start by checking the lock tumbler on the drivers door I have seen these send incorrect locking signal to the vehicle.
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    Sounds like the beginning of the well known GM5 module failure. I've had this issue. Google it. It's a quick and easy repair.
    Good luck.

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