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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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Old 03-15-2008, 01:08 PM
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EddieNYC EddieNYC is offline
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Mein Auto: 2003 530i
seat cushion lumbar pain ache (E39 Sport)-Followup

Well, the lumbar thing was killing my back, so I decided to give it a try. My seats are the E39 sports seats with leg extension.

Thanks to these guys:



Remove two lower screws from seat back cover. (pic 10)
Pull down on seat back cover.
Seat back exposed. (pic 1)
Attach zip-ties to lower lumbar spring and bottom frame (pics 2 to pic 6)
Bottom frame has 3 holes and 2 outlets at the right position for this mod. (pic 9)
Pull in on zip ties and see spring come in, away from the foam.
Re-attach seat back cover. (Pic 11 and 12)
re-screw in.
Pics 7 and 8 are shows how the leather is attached to the seat frame. These little pointy tabs are all around the seat, so you could with patience, replace the leather.

It seems to work
Next seat drama: Adding foam to the seat/butt area. Probably do this from underneath.
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Last edited by EddieNYC; 03-15-2008 at 01:13 PM.
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Old 08-25-2015, 08:12 AM
Arawak420 Arawak420 is offline
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Thanks for the post. Bought e39 and could barely drive in Comfort till this post
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Old 08-25-2015, 08:45 AM
bobdmac bobdmac is offline
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Location: Back in Oaktown, Yay Area
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Mein Auto: 2001 540i/6, '90 k75s
Nice search job, finding this DIY from 2008. This forum has deep veins of knowledge, and it's always a pleasant surprise to see some of it resurface from time to time.
BMW--giving new meaning to the phrase "disposable income."
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