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Thread: Help finding one of these micro switches please?

  1. #1
    Join Date
    Mar 2020
    Location
    Penhold, Alberta Canada
    Posts
    4
    My Cars
    1991 850i

    Help finding one of these micro switches please?

    Hi everyone, I have a 1991 850i that has the “check backrest lock” message on the display. I took it to my mechanic who informed me the left micro switch is the problem. Can anyone please help me identify it with a part number or direct me where to buy one? This is from the left (driver’s) seat. If I can successfully learn how to post photos I will right away!
    Thanks, Colin

  2. #2
    radlaw's Avatar
    radlaw is offline SoCalEights Member BMW CCA Member
    Join Date
    Feb 2010
    Location
    Poway (San Diego), CA USA
    Posts
    911
    My Cars
    1995 BMW 840Ci
    Quote Originally Posted by ColinMullaney View Post
    If I can successfully learn how to post photos I will right away!
    Good idea

  3. #3
    Join Date
    Aug 2007
    Location
    San Ramon, CA
    Posts
    1,421
    My Cars
    850Ci, M5, Model-S P85D

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    I anticipate the dealer would be the place to get the switch.

    No. Description Supp. Qty From Up To Part Number Price Notes
    01 Microswitch backrest locking "L" 1 09/1992 61311383206 $28.18 ENDED
    01 Microswitch backrest locking "L" 1 61318354129 $32.70 +core
    02 Microswitch backrest locking "R" 1 09/1992 61311383235 $30.44 ENDED
    02 Microswitch backrest locking "R" 1 61318354130 $32.70 +core
    Last edited by m6bigdog; 09-15-2020 at 05:20 PM.

  4. #4
    Join Date
    Oct 2018
    Location
    Houston-Katy
    Posts
    33
    My Cars
    ‘91 850ci, Artic W
    Thanks Dawg !! I searched the seat frame assy. I had no idea there was a comprehensive grouping.

  5. #5
    Join Date
    Jul 2007
    Location
    Cave Creek, AZ
    Posts
    1,117
    My Cars
    1993 850ci 2001 M5 / Z3M
    When that warning chimed on my car, it was due to the broken seat lever in the back of the driver side seat. The Lever can break and cause this issue, you will notice that the updated part has been reinforced for durability as well.

    Part numbers:
    Driver side 52108152827
    Passenger side 52108152828





    Regards,

    Brian
    Cave Creek, AZ

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