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  4. E30 coilovers or spring/shocks

E30 coilovers or spring/shocks

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  • B
    B
    Boris3
    wrote on last edited by
    #6

    If still on stock parts with 118k anything you get will be an improvement. No surprise you're bouncing since stock dampers are shot if they've never been replaced.

    Combo choice depends on many things including your road conditions and how stiff a ride you like. Ride in other cars if you can since what feels good can be a personal choice.

    Sachs/Boge will be new stock, KYB as a cheap choice. Bilstein and Koni as much better step up. Koni are getting more love from some folks than Bilstein sport and/or HD for a street driven only car for less stiff of a ride on less than smooth roads.

    H&R OE sport, sport, race springs change ride hight and ride stiffness. Snap is right on the sport-race tradeoff. I noticed the same thing when the track e30 was still street driven.

    Also for anything but stock better get a skid plate for your car because an M42 oil pan already sits low and with any drop in ride height it's even more at risk.

    I've got Bilstein sports and H&R OE sports on the street driven only 91 318is. Feel every expansion joint.

    1990 325i racecar (ITS, former Spec E30); 2004 330i ZHP

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    • straight6pwrS
      straight6pwrS
      straight6pwr
      wrote on last edited by
      #7

      Boris3 said:

      Ride in other cars if you can since what feels good can be a personal choice.

      x1,000,000 if you can do this. you can make an educated guess, but its hard to say what you'd like if you've never experienced it.

      if you have the initial budget and ability to get your struts welded, go for the coilovers. it will make it cheaper/easier to tweak your preference down the line.

      Dan
      yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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      • m42b32M
        m42b32M
        m42b32
        wrote on last edited by
        #8

        Snap said:

        The difference in handling is significant with the Race springs and the ride quality penalty is minimal since the Sports always bottom out (too soft for how low they are).

        You should cut the internal bump stops a bit. Its pretty easy to do and it sounds like it helps a decent amount

        http://www.r3vlimited.com/board/showthread.php?t=239380

        1991 318is, 1991 318i, 2022 Bronco

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        0
        • B
          B
          B C
          wrote on last edited by
          #9

          Choose an answer:

          A) it isnt a problem anymore now that I dont drive my car anymore.

          B) it isnt a problem anymore with h&r race springs.

          thanks for looking out for me

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          • m42b32M
            m42b32M
            m42b32
            wrote on last edited by
            #10

            Snap said:

            Choose an answer:

            A) it isnt a problem anymore now that I dont drive my car anymore.

            B) it isnt a problem anymore with h&r race springs.

            thanks for looking out for me

            didn't read that well enough... option A should be corrected though

            1991 318is, 1991 318i, 2022 Bronco

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            1
            • AsparagusMikeA
              AsparagusMikeA
              AsparagusMike
              wrote on last edited by
              #11

              if you have the initial budget and ability to get your struts welded, go for the coilovers. it will make it cheaper/easier to tweak your preference down the line. 

              Yup I gotta a good friend that welds for a living so that won't be a problem.....I also just found out that the 91 318is has the 51mm strut housing, didn't know that. Also, for coilovers, what u guys think of the cx racing set? I read a couple other forums that they were a really good set for street use and hooligan activities, not so much for track though which is perfect! And a little cheaper then the bc racing ones.

              Sent from my SM-G900V using Tapatalk

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              • AsparagusMikeA
                AsparagusMikeA
                AsparagusMike
                wrote on last edited by
                #12

                Lol didn't tag that write, I'm such a tard

                Sent from my SM-G900V using Tapatalk

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                0
                • B
                  B
                  B C
                  wrote on last edited by
                  #13

                  AsparagusMike said:

                  I read a couple other forums that they were a really good set for street use and hooligan activities, not so much for track though which is perfect!

                  Sent from my SM-G900V using Tapatalk

                  Hooligan-rated parts are best parts.

                  you should send paypal right now

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                  • straight6pwrS
                    straight6pwrS
                    straight6pwr
                    wrote on last edited by
                    #14

                    i'm definitely a proponent of going with a kit that has a good reputation, so do your research on if the cxracing stuff is any good - i've never heard of it before.

                    Dan
                    yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                    • m42b32M
                      m42b32M
                      m42b32
                      wrote on last edited by
                      #15

                      Isn't cxracing the same company that makes ebay turbo kits and things like that? If that's the case I wouldn't go that route for coilovers

                      1991 318is, 1991 318i, 2022 Bronco

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                      • straight6pwrS
                        straight6pwrS
                        straight6pwr
                        wrote on last edited by
                        #16

                        forgot to add, you're welcome to ride/drive/inspect my car if you want some baseline. i have BC coils, 6k/10k. the ride is.....direct? you feel everything, but it doesnt bother me in the least, i love it. your results may vary if you have a woman's opinion emanating from the passenger seat. the quality of the parts seems really good, we will see on longevity.

                        Dan
                        yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                        • AsparagusMikeA
                          AsparagusMikeA
                          AsparagusMike
                          wrote on last edited by
                          #17

                          That wouldnt be such a bad idea, how did you chose what spring rates you wanted for the front and rear?

                          Sent from my SM-G900V using Tapatalk

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                          • straight6pwrS
                            straight6pwrS
                            straight6pwr
                            wrote on last edited by
                            #18

                            its closest to the ie3/h&r race spring rates, which is the best compromise in handling/comfort for me. anything softer doesn't handle great and anything stiffer is just masochistic on WI roads.

                            Dan
                            yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                            • AsparagusMikeA
                              AsparagusMikeA
                              AsparagusMike
                              wrote on last edited by
                              #19

                              Straight6pwr, you live around or near the oshkosh area?

                              Sent from my SM-G900V using Tapatalk

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                              0
                              • D
                                D
                                Daggerty
                                wrote on last edited by
                                #20

                                m42b32 said:

                                Isn't cxracing the same company that makes ebay turbo kits and things like that? If that's the case I wouldn't go that route for coilovers 

                                A good way to put it:

                                If eBay was weed it would be the shitty stuff sold by the sketchy guy in the back alley

                                Cxracing is the shitty stuff sold by someone not in a back alley, and puts it in baggies with their name on it.

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                                • straight6pwrS
                                  straight6pwrS
                                  straight6pwr
                                  wrote on last edited by
                                  #21

                                  AsparagusMike said:

                                  Straight6pwr, you live around or near the oshkosh area?

                                  Sent from my SM-G900V using Tapatalk

                                  milwaukee.

                                  Dan
                                  yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                                  • AsparagusMikeA
                                    AsparagusMikeA
                                    AsparagusMike
                                    wrote on last edited by
                                    #22

                                    Well when u say 6k/10k.....6k in the front and 10k in the rear? Or vise versa

                                    Sent from my SM-G900V using Tapatalk

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                                    0
                                    • B
                                      B
                                      B C
                                      wrote on last edited by
                                      #23

                                      Keep in mind that if you are selecting your own custom spring rates that the trailing arm creates a mechanical advantage that requires the rear springs to be extra stiff. If you choose a coil over that relocates the spring on top of the damper then that mechanical advantage is lost.

                                      I have seen E30 kits come with both styles of rear spring. Over the damper, and in the stock location with an adjustable collar.

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                                      • AsparagusMikeA
                                        AsparagusMikeA
                                        AsparagusMike
                                        wrote on last edited by
                                        #24

                                        Okay well the bc racing coilovers have the rear springs located in the trailing arm like the stock ones so that would just mean that I would need stiffer springs for the rear. That explains what straight6pwr did....10k in the rear while 6k in the front to kind of even it out because of the mechanical advantage

                                        Sent from my SM-G900V using Tapatalk

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                                        0
                                        • B
                                          B
                                          B C
                                          wrote on last edited by
                                          #25

                                          0a5979e204573274d73f4f9ca8adf20d.png

                                          11616a8f47d43e0034b95ccf58d3e6a9.png

                                          Yep, just as straight6pwr said, 6k/10k would be like h&r race spring rates

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