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Thread: DIY: Where is the seat height adjustment motor?

  1. #1
    Join Date
    May 2018
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    Boston
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    E39 540i M-Sport

    DIY: Where is the seat height adjustment motor?

    I am going to attempt to repair my passenger seat that only raises and lowers on the left (console) side causing it to lean towards the passenger window when raising.

    I have done a bit of homework and I believe this motor or cable is located on the back bottom or at least the cable runs along the edge. I am thinking the cable may be accessible without removing the seat. I was going to try the method where you cut in the middle and remove sheath and put them together.

    So, if you know where this motor is please let me know. I am also assuming I need to repair the cable going into the right side of the motor since the right side doesn't go up and down.

    Thoughts, advice, etc.?
    2018 M550ix|Carbon Black Dinan Stage 1|2003 540i|Jet Black|M-Sport
    Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|2002 745li|2007 750li|2006 750li|2001 530i|2012 535xi|

  2. #2
    Join Date
    Jun 2018
    Location
    Freeport Illinois
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    17
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    03 bmw 525i 96 bmw 318ti
    The motor is in the front of the seat. There are two of them there one that tilts the seat back and one that raises it up and down. Of the two motor the one in the back is the one you are looking for.

  3. #3
    JimLev's Avatar
    JimLev is offline Artifically Aspirated Moderator
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    Sundance Mesa, NM
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    00 540/6, '16 Highlander
    If you unplug the seat sensor connector before disconnecting the battery you'll get the airbag light error to illuminate.

  4. #4
    Join Date
    May 2018
    Location
    Boston
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    E39 540i M-Sport
    Thanks, I thought that the second one in from the front was the motor. I plan to tackle this soon, maybe this weekend, and do it with the seat in and not unplugging anything.
    2018 M550ix|Carbon Black Dinan Stage 1|2003 540i|Jet Black|M-Sport
    Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|2002 745li|2007 750li|2006 750li|2001 530i|2012 535xi|

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