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Thread: Dead battery,how to open trunk

  1. #1
    Join Date
    Jun 2009
    Location
    coral springs florida
    Posts
    258
    My Cars
    1991 850i,2001 M Roadste

    Dead battery,how to open trunk

    Dead battery,jumped,car started but I can't open trunk or unlock doors,suggestions?

  2. #2
    Join Date
    Mar 2009
    Location
    encinitas, CA
    Posts
    140
    My Cars
    850ci
    Go to dealer and get a trickle charger with the cigarette plug (not battery post) connector. Plug in and wait until you are recharged enough to activate the lock. Been there done that.
    1997 Cosmos Black 850 Ci somewhere on PCH.

  3. #3
    Join Date
    Apr 2012
    Location
    pennsylvania, usa
    Posts
    62
    My Cars
    1992 850i
    Use the key hole up under trunk by the license plate light!
    Check fuses for door locks.

  4. #4
    Join Date
    Apr 2008
    Location
    UK
    Posts
    1,301
    My Cars
    BMW 850CSi, E53 X5 4.8iS
    Quote Originally Posted by h2887 View Post
    Dead battery,jumped,car started but I can't open trunk or unlock doors,suggestions?
    If you cannot unlock the doors, how did you get in to open the hood or start it?

  5. #5
    Join Date
    Oct 2008
    Location
    liverpool uk
    Posts
    2,146
    My Cars
    koenig ks8 /e31 850c
    is the glovebox locked?

  6. #6
    Join Date
    Apr 2005
    Location
    Puget Sound, USA
    Posts
    1,073
    My Cars
    1996 850ci
    Quote Originally Posted by 8Tech View Post
    If you cannot unlock the doors, how did you get in to open the hood or start it?
    Doesn't the key work in the lock even if the battery's dead? It does for the trunk.

    Oxford Green Metallic, Parchment leather, 854 badge, EDC stock struts, M-Sport springs, 3.91 LSD, CSI rear sway, 18" M-Pars, M-Sport wheel w/flappy paddles, CD-43 head unit, Strong Strut brace, Euro FTPs, CSI rear defuser
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  7. #7
    Join Date
    Oct 2009
    Location
    Uk
    Posts
    638
    My Cars
    840 ci
    Key in boot lock (underneath) Turn and push......I did this with no batteries in the car......

  8. #8
    Join Date
    Apr 2012
    Location
    pennsylvania, usa
    Posts
    62
    My Cars
    1992 850i
    The door locks will work with the key, but windows wont drop if battery is dead.

  9. #9
    Join Date
    Jun 2009
    Location
    coral springs florida
    Posts
    258
    My Cars
    1991 850i,2001 M Roadste
    Thanks

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