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Thread: seat questions

  1. #1
    Join Date
    Jan 2011
    Location
    San Francisco
    Posts
    62

    seat questions

    My 2004 330 Ci ZHP has Alcantra seats with no lumbar support.

    My questions:

    1. Can I add OEM adjustable lumbar support?
    2. Is the OEM lumbar support motorized or inflatable?
    3. Is it easier to buy a used seat with lumbar to replace existing
    seat or modify existing seat?
    4. Are the seats in ZHPs "sport seats"? If not, what are they called?
    5. Is there any difference in the seat wiring harness between
    lumbar/non lumbar seats?

    And - last but not least:

    6. I hate the metal support bars for the side bolsters they cut into
    my thighs and make any trip more than a half hour literally a pain -
    any suggestions? (on my E36 M3, I pulled off the upholstery and
    cut out the bars out with a hacksaw)

  2. #2
    I can answer number four. Yes. We have the sport seats in the ZHP.

  3. #3
    Join Date
    Jan 1970
    Location
    Lebanon, OH
    Posts
    37,874
    1. Can I add OEM adjustable lumbar support?

    Yes

    2. Is the OEM lumbar support motorized or inflatable?

    Inflatable

    PC 8 is the pump




    http://www.realoem.com/bmw/showparts...16&hg=52&fg=10

    3. Is it easier to buy a used seat with lumbar to replace existing
    seat or modify existing seat?

    Buy a new seat.

    4. Are the seats in ZHPs "sport seats"? If not, what are they called?

    Answered correctly by The Boss.

    5. Is there any difference in the seat wiring harness between
    lumbar/non lumbar seats?

    IDK
    "Flame suit NOT REQUIRED!!!"
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs

  4. #4
    Join Date
    Jan 2011
    Location
    San Francisco
    Posts
    62
    Thank you, gentlemen - I added manually inflatable lumbar support to my E36 M3

    Anyone have a ratty D/S lumbar seat for sale?

  5. #5
    Join Date
    Jan 1970
    Location
    Branford, CT
    Posts
    15,614
    Yes, it's easier to buy a used seat, but certainly not cheaper. I think you can get all the parts for between $100-200, and you definitely will NOT find a matching sport seat with lumbar for anywhere near that much.

    I'm going to do the retrofit in the near future, as my back is already killing me on long trips. I will do a writeup when I do it.
    BP
    2005 330i ZHP / 6MT
    Imolarot / Naturbraun



    It's not the car you drive, it's how you drive it.

  6. #6
    Join Date
    Jan 2011
    Location
    San Francisco
    Posts
    62
    Thanks az3579

    looking forward to your install and write up... I will research as well. Right now, I am contemplating a manually inflated lumbar bladder.

  7. #7
    Join Date
    Jan 1970
    Location
    Lebanon, OH
    Posts
    37,874
    BP...you need to ditch your rear seat.
    "Flame suit NOT REQUIRED!!!"
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs

  8. #8
    Join Date
    Jan 1970
    Location
    Branford, CT
    Posts
    15,614
    Quote Originally Posted by danewilson77 View Post
    BP...you need to ditch your rear seat.
    Why on earth would I do that??
    BP
    2005 330i ZHP / 6MT
    Imolarot / Naturbraun



    It's not the car you drive, it's how you drive it.

  9. #9
    Join Date
    Jan 1970
    Location
    Branford, CT
    Posts
    15,614
    Quote Originally Posted by MisterMotorist View Post
    Thanks az3579

    looking forward to your install and write up... I will research as well. Right now, I am contemplating a manually inflated lumbar bladder.

    My write up will be much, much later. That is a "non-priority" mod, meaning it'll most likely be done sometime during the summer.
    BP
    2005 330i ZHP / 6MT
    Imolarot / Naturbraun



    It's not the car you drive, it's how you drive it.

  10. #10
    Join Date
    Jan 1970
    Location
    Lebanon, OH
    Posts
    37,874
    Quote Originally Posted by az3579 View Post
    Why on earth would I do that??
    1. Weight savings.

    2. I need the passenger side panel from it.
    "Flame suit NOT REQUIRED!!!"
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs

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