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Thread: Z3 seat risers.

  1. #1
    Join Date
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    Z3 seat risers.

    Hi everyone,

    Ive been on the lookout for Z3 seat risers on ebay, but haven't found any. Does anyone have a set they would like to move on? or know where I can buy 2 sets for my car?

    Looking to raise the front of the seat by about 10mm.


  2. #2
    Join Date
    Oct 2012
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    Louisville, KY
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    1997 BMW Z3 1.9L 5MT

  3. #3
    Join Date
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    1998 Z3M, 2006 330i
    I didn't like too much of a raise in the front that the kits provide, so I just used washers to lift the seat a little, and "T nuts" to replace the conventional nuts. Since you said "about 10mm", this may be best for you.

  4. #4
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    yeah made my own too, (like Vintage42 listed, thx btw mate but the rise was much too large.. where did you get the T-nuts and what size/length were they?

    cheers

    Feeling dirty as I just renovo'ed my roof again..

  5. #5
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    Quote Originally Posted by vanne View Post
    yeah made my own too, (like Vintage42 listed, thx btw mate but the rise was much too large.. where did you get the T-nuts and what size/length were they?

    cheers

    Feeling dirty as I just renovo'ed my roof again..
    I got the T nuts at local hardware store, just took a nut that fit the studs in the car. They had 2 styles of T nut: one was flimsy with tangs to grab wood. The others were similar, but had a thicker head and no tangs. Of course I used the latter ones. If they are too long for the height you want, you can just shorten them with a hacksaw. Of course, use washers big enough to go outside the T nuts.

  6. #6
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    Just remember that whatever you mount your seat on is a safety device, so the hardware should be of an appropriate grade

    Going into my TENTH YEAR of providing high quality reproduction BMW fabrics!

    PRICE CUT on ALL FABRICS
    Offering the best prices on the best quality reproduction fabrics!

  7. #7
    Join Date
    Mar 2017
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    Santa Cruz, CA
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    2002 BMW Z3 Coupe
    Yup, 1 in was too high for me, bought parts on McMaster to raise 3/4 in. Also backed rails with a "wedge" made from hard, reinforced rubber sheeting, cut and press-glued to build the wedge 1/16 in at a time. When I tightened down on the bolts holding each rail, compressed the wedge a bit. I figure this helps to stabilize and avoid over stressing the bolts.

  8. #8
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    Lol so yeah it took me a while to track this stuff down, its not called a T-nut, its called a sleeve nut. LOL

    cheers everyone, and yes ofcourse safety is the main concern.

  9. #9
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    Quote Originally Posted by vanne View Post
    Lol so yeah it took me a while to track this stuff down, its not called a T-nut, its called a sleeve nut. LOL

    cheers everyone, and yes ofcourse safety is the main concern.
    Please tell us the source for the sleeve nut that works... thanks......

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