1 Series Lumbar Support Retro Fit

This section shows how to carry out modifications to your 1 Series. Please remember that if you are modifying your car to take photo's at each step and document the mod in here.
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EB2429
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1 Series Lumbar Support Retro Fit

Post by EB2429 » Sun Jun 30, 2013 8:25 pm

I have had lumbar support on a few cars and personally I do think its a worthwhile addition to any car, especially if you get out aching after a longish drive. This isn't a complete cure to the soft seat backs in the M-sport seats, as the seats wire frame is still pretty soft. However it helps to add another level of support to make the seat feel more firm in the lower back area and a worthwhile mod imo. I don't know if all 1 Series have the same seat backs or configuration for removal, so just in case this is for a 2010 E87 M sport seats.

My last car didn't have it so I bought this from Corbeau http://www.corbeau-seats.com/inflatable-lumbar-support" onclick="window.open(this.href);return false; and pinched it back out of the car before i sold it. :wink:

All you need is 1 lumbar support.
Some trim removal tools and pliers.
Cable ties.

See pics below.

Corbeau Lumbar support

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The seat back is held in with 2x3cm long plastic trim studs/pins at the base which are very secure. So i used trim tools and pliers.


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Once you remove the Studs/pins the hard seat backs pull down and away. Again this requires a little force to pull away at the mid point, and then the seat back simply slides down to allow the upper retaining tabs to come free from the seat back. So away at the base, pull away in the middle with some force, then slide it down to clear the 2 large top tabs.


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You can see the pipe work for the side bolsters which are operated via the seat switch.

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On the right I unclipped a portion of the seat liner so I could neatly thread the lumbar bag into place behind the wire supportive frame. I loosely cable tied the support into place so it can move and expand..


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Cable ties in place and finally clipped the liner back in place. The hard seat back fitting is reverse of what you did at the start. I didn't break the 3cm studs but they aren't exspensive from BMW i'm sure/hope...

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Finished and lumbar support neatly in the gap by the driver. JD
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Re: 1 Series Lumbar Support Retro Fit

Post by AndytheGreek » Sun Jun 30, 2013 11:33 pm

Good job !
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Re: 1 Series Lumbar Support Retro Fit

Post by Octavius » Sun Jun 30, 2013 11:52 pm

Wonder if it would be possible to connect this to the pump for the side bolsters with a release valve to control the pressure.
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Re: 1 Series Lumbar Support Retro Fit

Post by BigC » Mon Jul 01, 2013 12:16 am

As a back-ache sufferer due to an acute ankle injury and a change in gait this is a very inventive and helpful thread, I will look into this further.
Thank you for taking the time to embellish your retro fit with editorial comments and images of the job in hand.
Well Done!
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C
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Re: 1 Series Lumbar Support Retro Fit

Post by EB2429 » Mon Jul 01, 2013 7:09 am

Blackbmw120d wrote:Wonder if it would be possible to connect this to the pump for the side bolsters with a release valve to control the pressure.
thanks all...


@BlackBMW120d sound possible, great idea!
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Re: 1 Series Lumbar Support Retro Fit

Post by david in germany » Mon Jul 01, 2013 9:20 am

Did the lumbar mod on my 09 Cooper S with sport seats many years ago, wonderful improvement. This is something I will be doing! Many thanks on the write up, I was wondering if it was possable.

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Re: 1 Series Lumbar Support Retro Fit

Post by EB2429 » Sun Jul 28, 2013 9:18 pm

**Revised**



I have had this fitted for a few weeks now and moved the inflatable pad about to achieve the optimum fit. I would say that in general the pics above would show it in a usable position, but for me I moved it down 3-5cm. To do this without producing a kink in the black flexible pipe, I simply flipped it so the pipe feeds the air bag from the top and then pushed it down further. I also attached some strengthening to the wire frame via cable ties to help transfer the air support further into the seat cushion.

Its a good idea to not refit the seat back fully, it will hold in place without the replaced or usable fixing studs in the base, this will allow you to tailor the lumbar support over a few weeks.

Anyway hope this helps some in the future
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Re: 1 Series Lumbar Support Retro Fit

Post by NARD » Sun Sep 08, 2013 6:24 pm

Thanks you for a great how to. Just got my 118d M Sport and after a long journey had a bad back!!! So lumbar support is a must. Just dissapointed that it's £51 including shipping - seems a bit steep for a plastic bag! :?

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Re: 1 Series Lumbar Support Retro Fit

Post by nickfrog » Sun Sep 08, 2013 7:22 pm

Brilliant. Thanks a lot. I might fit one.

I wonder of it can also be used as a urinary bag on long distance drives ?
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Re: 1 Series Lumbar Support Retro Fit

Post by NARD » Mon Sep 09, 2013 1:55 pm

Ok - took a while but finally got the two clip things off. I've decided to try the cheapskate option using some foam I found in the cupboard. Not adjustable but adds some support; cost to me £0 :D
I haven't fully reattached seat back as suggested in case I decide to splash out on the adjustable option if I can get a good deal somewhere.
Thanks again for the great How-to! :D

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Re: 1 Series Lumbar Support Retro Fit

Post by NARD » Wed Sep 11, 2013 2:02 pm

Had to order two repacement clips - just for fun here is a before and after shot! I did try and be careful during the removal stage. :oops:

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Re: 1 Series Lumbar Support Retro Fit

Post by EB2429 » Wed Sep 11, 2013 6:59 pm

lol

Yeah i pretty much butchered mine getting them out too, if only BMW had used such engineering on other parts to secure things properly.

I still haven't replaced mine after a month or so but the seat backing hasn't moved, I just went to Europe and made some final adjustments after a 6 hour drive to Germany. The seat backing never moved at all so god only knows why they thought they needed to secure them so tightly.

Anyway glad the thread helped a little.
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Re: 1 Series Lumbar Support Retro Fit

Post by NARD » Mon Jun 09, 2014 3:15 pm

My inflatable support arrived today and I fitted it in front of the foam I had been using. Works an absolute treat and so discreet.
Thanks again for the write up and guidance. :spotman:

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Re: 1 Series Lumbar Support Retro Fit

Post by ajayp » Mon Sep 01, 2014 8:05 pm

This thread is a god send, thank you for posting it.

Ordered mine today and can't wait to fit it and get outta pain.
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Re: 1 Series Lumbar Support Retro Fit

Post by Stealth328Ci » Mon Sep 01, 2014 8:21 pm

Hi

This might be a silly question but what if your seats have heating, can this still work??
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