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Old 11-27-2018, 09:58 AM   #15
ermax
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Originally Posted by MoonieGT View Post
My biggest issue with the seat is the seat bottom. It feels too firm for me. For reference I am 6 feet tall, 170 lbs, 32 inch waist. I get pressure on boniest part of my rump. If the front of the seat could be raised that might support more of my thigh to take some pressure off of the part that hurts.

I've been wanting to the cover off the seat, remove some of the bottom cushion and replace it with some other kind of foam. Not sure what to replace it with. Maybe an inch or so of memory foam?

The work doesn't seem too involved to do it, but I don't want to ruin my seat cushion if it doesn't work out...

My previous car was a Lexus IS with the F-Sport seats... Would love to have those in my car...

I would like a little lumbar and may do this mod but my biggest complaint is the same as yours which is the seat bottom and I have similar specs as you, 165lbs 6'2".
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Old 11-28-2018, 01:02 PM   #16
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Ooh great idea. I have been toying with pulling my seat apart, too. Need more lumbar. I have a little butt.

I added extra lumbar on my old Rabbit Convertible, it was soooooo awesome.
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Old 11-28-2018, 01:03 PM   #17
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I would love to know if Lexus IS F-sport seats would fit without much modification and without raising the seating position a ton...
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Old 11-08-2019, 05:42 PM   #18
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DIY - Make your seats comfortable

I did this but installed this corbeau inflatable suport. It worked brilliantly!

Tweaking the shoulder supports makes a big difference too.



https://www.google.com/shopping/prod...:1,prmr:3,cs:1

Last edited by Yoshoobaroo; 11-08-2019 at 07:59 PM.
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Old 01-17-2020, 09:54 AM   #19
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Originally Posted by Yoshoobaroo View Post
I did this but installed this corbeau inflatable suport. It worked brilliantly!

Tweaking the shoulder supports makes a big difference too.



https://www.google.com/shopping/prod...:1,prmr:3,cs:1



Just out of curiosity, how did you go about attaching the lumbar 'bladder' to the inside of the seat? Do you have any photos of the process?



I'm currently using the STI lumbar pillow, but i would really like something more adjustable and permanent. Plus I have long legs and I don't like how far the pillow scoots me forward in the seat.


Thanks!
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Old 01-18-2020, 06:11 PM   #20
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Here's what I did:
I took the back of the seat apart, like the original post, then I used two pressure bags. These are used in hospitals, to pressurize IV fluids for faster administration. I got them on Ebay

https://www.ebay.com/itm/5-pack-of-5...kAAOSwBahVMTzW

There is a pressure indicator which I removed. A little cutting and reattaching. zipties around the connections to make them airtight.

Where Mausr placed a lumbar pillow, I put them in the same place, running horizontally, one above the other. Took picture but can't get it the right size for upload. sorry.

The stopcock and pump bulb tuck away nicely behind the seat and don't get in the way. You can adjust each bladder individually to your preference.

I can adjust it very easily, and it's very comfortable.
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Old 01-20-2020, 07:15 AM   #21
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Quote:
Originally Posted by gshopper View Post
Here's what I did:
I took the back of the seat apart, like the original post, then I used two pressure bags. These are used in hospitals, to pressurize IV fluids for faster administration. I got them on Ebay

https://www.ebay.com/itm/5-pack-of-5...kAAOSwBahVMTzW

There is a pressure indicator which I removed. A little cutting and reattaching. zipties around the connections to make them airtight.

Where Mausr placed a lumbar pillow, I put them in the same place, running horizontally, one above the other. Took picture but can't get it the right size for upload. sorry.

The stopcock and pump bulb tuck away nicely behind the seat and don't get in the way. You can adjust each bladder individually to your preference.

I can adjust it very easily, and it's very comfortable.



That's awesome, thank you!


Is the pressure of the cushion enough to hold them in place, or did you have to affix them somehow to prevent them from moving around?


thanks again!
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Old 02-14-2020, 08:19 PM   #22
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after you inflate them, they just stay by themselves.
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Old 03-08-2020, 07:41 AM   #23
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I always have sitting issue and feel uncomfortable. On the advice of the dealer, I changed its foam and used ortho-friendly one. Anyways, thanks for this guide.
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Old 05-29-2020, 11:27 AM   #24
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Quote:
Originally Posted by hestekinj View Post
Just out of curiosity, how did you go about attaching the lumbar 'bladder' to the inside of the seat? Do you have any photos of the process?



I'm currently using the STI lumbar pillow, but i would really like something more adjustable and permanent. Plus I have long legs and I don't like how far the pillow scoots me forward in the seat.


Thanks!
I pretty much followed this DIY from a BMW forum:
https://f30.bimmerpost.com/forums/sh...0&postcount=14
I made the plastic backer panel out of an old storage bin lid, drilled some holes in it and secured it to the metal wire seat structure with zip ties.
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Old 05-29-2020, 11:32 AM   #25
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@hestekinj here's a better link:

https://f30.bimmerpost.com/forums/sh...fitting+lumbar
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