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Thread: BMW e23, e24, e28 DIY Air Suspension Solutions

  1. #51

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    Quote Originally Posted by evilstar View Post
    Sorry if my questions are a bit nieve very new to this air suspension thing.

    What are the benifits of the shorter shocks? are they only needed if you shorten your housing? looks like they are also only needed with the UAS bags not the airlift is that correct?

    Looks like the UAS bags are around 400 a pair while the airlift are around 900 a pair. For this reason I'm more inclined to go with the UAS bags. That said I want to be sure I understood correctly. The UAS bags did clear the tires where you welded and mounted them but was not giving the desired drop. To achive that drop you would need to weld them lower and no longer clear your tires with out huge spacers. Is that correct?

    Would it be possible to use the UAS bags in the rear? Are there any other options besides the airlift sleeve bags?

    Working with a e12 based e24 - 82 633csi BMW

    Thank you in advance. All sugestions welcome.
    the shorter shocks are only needed for the UAS bag. the airlifts are a strut, which is the bag and shock as a unit. the need for the shorter shock is so that there is enough stroke at half compression of the bag. the bag will be located lower than the stock spring and you will run out of travel if you are using stock inserts. also, it helps to have a better valved damper with an airbag. it probably would be cheaper to calculate the needed length/stroke and body diameter for the insert, and then find used konis of those specs so that you can have them re-valved to your application.

    Quote Originally Posted by evilstar View Post

    Looks like the UAS bags are around 400 a pair while the airlift are around 900 a pair. For this reason I'm more inclined to go with the UAS bags. That said I want to be sure I understood correctly. The UAS bags did clear the tires where you welded and mounted them but was not giving the desired drop. To achive that drop you would need to weld them lower and no longer clear your tires with out huge spacers. Is that correct?
    Every application will be slightly different in parameters. I cant say that my troubles will translate over onto an e12. You may be able to get lower on the UAS bag than I did. The measurements will tell you even before you start cutting and welding.

    Quote Originally Posted by evilstar View Post

    Would it be possible to use the UAS bags in the rear? Are there any other options besides the airlift sleeve bags?

    Working with a e12 based e24 - 82 633csi BMW

    Thank you in advance. All sugestions welcome.
    As long as its a sleeve bag with dimensions close to the airlift inflated diameter, another brand sleeved air strut will work. The UAS bag and all convoluted bags that i have seen are too large in diameter to fit inside the rear strut mount.
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  2. #52
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    Hello, NegativeCamber!

    Very much pleased to see your work! You did something unreal in the truth, maybe this is just my personal opinion, but nevertheless asked him to consider.

    Let me ask a few questions on the subject, since at this stage of my life my dream has coincided with yours, if you can call as a part of the air suspension. This is to show that I bought my car http://www.drive2.ru/cars/bmw/5_seri...es_e28/anyuta/

    Direct questions, please excuse if my questions seem to you ridiculous and absurd, but our market parts are not so rich, so everything is brought only under the order, this is so thorough and connected questions:

    1. What kind of rack you purchase KONI, if you can until the part number (model)?;
    2. What is the diameter of an air bags (front, rear), maybe even a model and item number of air bags?;
    3. Do not quite understand why you made a hole in the rack and fasten the screws;
    4. How many dropped (went) to the machine (if you can count), or how much is left to complete understatement (fall to the ground) and you need to do?;
    5. If the machine is fully dripped (laid down), then you have something to do with glasses (front, rear), a motor, etc. (Where the thrust bearing is mounted, if you can tell me in detail about all the additional changes and upgrades + photo)?;
    6. Bought wheels BBS RC 8Jx17H2 IS20 (front) and BBS RC 9Jx17H2 IS22 (rear) http://www.drive2.ru/cars/bmw/5_seri...6394579353916/
    , there will need spacers and \ or will I have to roll the arches?;
    7. The old base rack you cut off grinder for difference (length) of the new rack KONI, may be correct in detail, or to ask for a specific size (with great hope that you have a drawing or something)

    I'm sorry if the questions tedious and take up your time, but am waiting with great impatience and hope your answer is, that we may know \ learn this air culture.

    Sincerely, Samat Zhumadildin.

    p.s.
    My email address: samatastana@mail.ru

  3. #53

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    Quote Originally Posted by Anyuta View Post
    Hello, NegativeCamber!

    Very much pleased to see your work! You did something unreal in the truth, maybe this is just my personal opinion, but nevertheless asked him to consider.

    Let me ask a few questions on the subject, since at this stage of my life my dream has coincided with yours, if you can call as a part of the air suspension. This is to show that I bought my car http://www.drive2.ru/cars/bmw/5_seri...es_e28/anyuta/

    Direct questions, please excuse if my questions seem to you ridiculous and absurd, but our market parts are not so rich, so everything is brought only under the order, this is so thorough and connected questions:

    1. What kind of rack you purchase KONI, if you can until the part number (model)?;
    2. What is the diameter of an air bags (front, rear), maybe even a model and item number of air bags?;
    3. Do not quite understand why you made a hole in the rack and fasten the screws;
    4. How many dropped (went) to the machine (if you can count), or how much is left to complete understatement (fall to the ground) and you need to do?;
    5. If the machine is fully dripped (laid down), then you have something to do with glasses (front, rear), a motor, etc. (Where the thrust bearing is mounted, if you can tell me in detail about all the additional changes and upgrades + photo)?;
    6. Bought wheels BBS RC 8Jx17H2 IS20 (front) and BBS RC 9Jx17H2 IS22 (rear) http://www.drive2.ru/cars/bmw/5_seri...6394579353916/
    , there will need spacers and or will I have to roll the arches?;
    7. The old base rack you cut off grinder for difference (length) of the new rack KONI, may be correct in detail, or to ask for a specific size (with great hope that you have a drawing or something)

    I'm sorry if the questions tedious and take up your time, but am waiting with great impatience and hope your answer is, that we may know learn this air culture.

    Sincerely, Samat Zhumadildin.

    p.s.
    My email address: samatastana@mail.ru

    1. koni 1198 strut inserts were used for the UAS airbags

    2. UAS AeroSport Air bag part# 02-ST-SB-14
    Airlift front Strut Bags with all dimensions for your customization
    http://www.airliftperformance.com/UniversalChart.pdf

    3. i'm not sure what you mean by "rack", but if you are referring to the airlift struts, they have an adjustment for the shock damping. that's why there is a knob.

    4. you measure the length of the strut with the weight of the car on them, then measure the distance of the lowest part of the car to the ground. subtract that number from the length of the strut (with the car's weight on them). that is the length that the air strut needs to be fully air'ed out.

    5. the thrust bearing is shown in the pics for the UAS bag. the airlift kit uses plastic thrust bearings that fit in between the strut mount plate.

    6. im not too well versed with e28 offsets but the offsets do not look that aggressive. a slight roll in the rear will probably be necessary depending on tire size.

    7. the Koni strut insert was shorter, so i used a piece of pipe as a spacer to raise it up inside the strut housing. you will need to do this or shorten the housing, but take into consideration the location of the airbag. if you shorten the housing, you will lower the airbag seating location and it could interfere with the wheel.
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  4. #54

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    Can I use these Koni g60 inserts and chop my lowering springs to match? My objective is to be 1.5" to 2" lower than H&Rs but still have some shock travel left.


  5. #55

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    Quote Originally Posted by D Unit View Post
    Can I use these Koni g60 inserts and chop my lowering springs to match? My objective is to be 1.5" to 2" lower than H&Rs but still have some shock travel left.
    you can, but you need to take into consideration how long the spring will be with the car's weight on it. then use that length and reference it from the spring perch. you can see in this pic that the bag sits right about where the spring perch was. there is enough stroke without bottoming out the shock. a spacer was used to raise the insert up. i drove around a bit on this setup and the dampers did the job, but i would look into having them valved accordingly for the weight of this car with springs.

    try to find some used ones...then you can get them re-valved to a more aggressive valving for the shorter spring and whatever rate you will be running. if i were you, i would just cut the spring perch off, and weld on a threaded sleeve so that you can use 60mm or 2.5" springs up front. more choices for spring rates, lengths, and most importantly, you can dial in the exact height you are looking for.

    Last edited by NegativeCamber; 09-25-2012 at 10:55 AM.
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  6. #56
    Join Date
    Jun 2010
    Location
    Vancouver, British Columbia Canada
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    I just wanted to publicly say a BIG THANK YOU to NegativeCamber for posting all this information and answering all my questions and everyone else's. What a class act!

  7. #57

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    I should not have looked at this thread. Makes me want to do my E28, but I want to do AccuAir E Level, so I'm looking at $3K+ Rather do my V8 swap first.


    I want more LOWS..

    Last edited by 325racer; 12-03-2012 at 06:49 PM.

  8. #58
    Join Date
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    all i am going to say is that you better call me when the feature shoot is on!
    IG @RobthaBavarian





  9. #59

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    Quote Originally Posted by Paradox View Post
    I just wanted to publicly say a BIG THANK YOU to NegativeCamber for posting all this information and answering all my questions and everyone else's. What a class act!
    thanks man. no problem.

    Quote Originally Posted by 325racer View Post
    I should not have looked at this thread. Makes me want to do my E28, but I want to do AccuAir E Level, so I'm looking at $3K+ Rather do my V8 swap first.


    I want more LOWS..

    [IMG]http://i794.photobucket.com/albums/yy230/325racer/Sidecropped.jpg[/]
    thats going to be nice build for sure. we will have to talk part numbers for those rear struts. the application length wont be the same as the e23, if you are planning on trying to lay out the rear.




    Quote Originally Posted by Rob&co View Post
    all i am going to say is that you better call me when the feature shoot is on!
    lol. thanks man but the car wont be done any time soon. plus, i don't do what i do for exposure. just helping out others who share the same interests and giving them insight of my findings.
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  10. #60

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    Had the chance to pick up my V8 swap with trans, wiring etc for $2500, but had to pass as I really need to spend the money on a bathroom rebuild.

    ERRRRR, the burdens of home ownership.

  11. #61
    Join Date
    Dec 2012
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    I wana see more !


    am on enstagrem 2
    ig: phelan_anufrijevas

  12. #62

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    Eric, let me know if you still want me to make that center console for you

  13. #63

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    Quote Originally Posted by FREExSPIRIT View Post
    I wana see more !
    More pics of the whole car is in the build thread. Thanks man.

    Quote Originally Posted by Average_Jerk View Post
    Eric, let me know if you still want me to make that center console for you
    You got it. Im just researching some additional things lm thinking of having you incorporate into the panel...
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  14. #64
    Join Date
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    Ohh okay cool thanks !


    am on enstagrem 2
    ig: phelan_anufrijevas

  15. #65

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    Quote Originally Posted by NegativeCamber View Post
    More pics of the whole car is in the build thread. Thanks man.



    You got it. Im just researching some additional things lm thinking of having you incorporate into the panel...
    totally man

  16. #66
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    I did the same exact thing just made coilovers instead of a bag. Works great.

    insta:yungwymo

  17. #67
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    Quote Originally Posted by wyatt lay View Post
    i did the same exact thing just made coilovers instead of a bag. Works great.
    tool!
    IG @RobthaBavarian





  18. #68

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    how it currently sits. 90% raised and fully dumped. thanks again to bagriders for the hardware. still more to go with this project car.



    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  19. #69
    Join Date
    Dec 2012
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    Wow ! Looks great I love this car makes me more excited to buy my bag set up ! I wana see what this car looks like when it's raised!


    am on enstagrem 2
    ig: phelan_anufrijevas

  20. #70
    Join Date
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    Very nice Eric! It looks awesome so far

    - www.bagriders.com - Email us at: sales@bagriders.com -

    - Did you find a lower price? We Price Match! -

  21. #71
    Join Date
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    part of me wants to sell my bug and use the money for air on my e28.... its so tempting haha

    IG: Nick475

  22. #72

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    Quote Originally Posted by Nick475 View Post
    part of me wants to sell my bug and use the money for air on my e28.... its so tempting haha
    your bug build is great and its a fun car. save up and have both.
    Last edited by NegativeCamber; 05-29-2013 at 03:10 PM.
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  23. #73

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    forgot to add this cheezy iphone video to this thread. yes, i have the missing moldings.

    [ame="http://www.youtube.com/watch?v=5_UsWBarvEY"]bagged bmw e23 - YouTube[/ame]
    Quote Originally Posted by Kielan View Post
    I've had a lot more fun in my Dad's Prius than I care to admit.




    BMW e23 build Thread

  24. #74

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    can you list everything needed to bag an e23? im just confused on what you used for the fronts, and management.

  25. #75

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    and do you recommend getting bigger rims?

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