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Thread: 2012 650i dash like a Christmas Tree

  1. #1
    Join Date
    Feb 2019
    Location
    Seattle
    Posts
    2
    My Cars
    2012 650i M convertible

    2012 650i dash like a Christmas Tree

    Hi everyone,
    I have lurked for a while and this is my first post. I started my 650 the other day and every code know to bmw came on the dash, i plugged OBD 2 into it and gave me error codes U116D and U118A. Car drives weird but not in limp mode, brakes fine. I need to keep it in manual and basicly paddle shift to have it run @ normal speeds.
    Any suggestions? I saw a thread similar but a 5 series.
    Thanks!

  2. #2
    Join Date
    Mar 2020
    Location
    TN
    Posts
    3
    My Cars
    2011 750LI
    I also have a 2011 N63 750LI- and I am getting the lights in dash and notifications in the LCD module. Low power, etc. Have the u116d and u118a codes. I replaced the #4 fuse (PITA) and that did not correct it. I am slow charging the battery too. I think it may need to be replaced. It shows 12.48v when off, then only around 10v when I press the ignition button but do not start the car. This all happened after I got the message saying "increased battery discharge while stopped". I put the trickle charge on it overnight and then the next day went to drive it about 1/2 mile and it went into limp mode. Let it sit for about 10 mins- then it drove away fine, but the lights in the dash are still on. Now it has the reduced power and errors still. Anything please?

  3. #3
    Join Date
    Feb 2010
    Location
    Hampshire UK
    Posts
    8,867
    My Cars
    99 840ci Sport Indv
    What is the battery terminal voltage when the engine is idling? That error code usually means a dead battery, not just a discharged one, but one that has reached the end of its life.
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


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