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The Cabrio Suspension Thread

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  • Cairn
    replied
    H&R Race with Koni SA and 10mm spring pads all around. These are stiffer than my old Vogtland KYB setup yet way more comfortable!

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  • hakstern
    replied
    Originally posted by jhippy View Post
    Trying to find springs for my '91 318i is making my head spin. I want to go with the tried and true Billy B8's and H&R Sports.
    From what I understand I'll need cabrio specific springs in the rear for the extra weight of the vert, but I don't want to get the 325 cabrio springs since the M42 is significantly lighter than the M20. So what do I do? I can't find any shops selling H&R fronts and rears separate.
    Does the weight difference between the M42 and the M20 matter much or am I just being extra picky?
    It’s the rear springs that are different. With the extra weight in the rear battery section and the soft top/mechanics towards the rear.

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  • jhippy
    replied
    Trying to find springs for my '91 318i is making my head spin. I want to go with the tried and true Billy B8's and H&R Sports.
    From what I understand I'll need cabrio specific springs in the rear for the extra weight of the vert, but I don't want to get the 325 cabrio springs since the M42 is significantly lighter than the M20. So what do I do? I can't find any shops selling H&R fronts and rears separate.
    Does the weight difference between the M42 and the M20 matter much or am I just being extra picky?

    Leave a comment:


  • spyder918
    replied
    Any Cabrios out there with the H&R OE Sport Springs?

    Leave a comment:


  • Cirrusbrad
    commented on 's reply
    This setup looks great. I'm just finishing the same my car. Pro-kit/Koni. Wheels go back on tonight.

  • spyder918
    replied
    Originally posted by CorvallisBMW View Post
    You shouldn't need camber kits if you're going with H&R/Bilstiens, the lowering isn't so severe that you're going to cause undue tire wear.
    Ok great, thanks for the response.

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  • CorvallisBMW
    replied
    You shouldn't need camber kits if you're going with H&R/Bilstiens, the lowering isn't so severe that you're going to cause undue tire wear.

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  • spyder918
    replied
    Those of you who installed the H&R Sports/Bilstein combo, did you need Front and Rear camber plates/kits also? I'm going to go this route, but feel even now at stock height, my wheels already have a bit of negative camber.

    Leave a comment:


  • Mars_e30
    replied
    Just installed Eibach Pro-Kit with Koni Yellows and stock spring plates. I bailed on E90 drop hats at the last minute and think this ride height is just right for my use.





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  • s_cor77
    replied
    1991 M-Tech 2

    Bilstein B8 Sport front and rears with H&R Sport spring kit.
    The front had a gap my fist could fit in before but now it’s just 3 fingers high, I would like to see the front a little lower but with a Garagistic X-Brace installed I was afraid that I would hit the ground one to many times if it was lower. I will be converting it to a 5 lug later on.
    Attached Files

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  • plagrone
    replied
    1992 318ic

    Split a 318ic with the girlfriend. $800-a-piece date car. I've been lurking for probably 6 months, and finally took the dive recently and bought absolutely everything I'll need to revamp my cars suspension. (Every bushing, shocks, springs, control arms, shock mounts)

    I've never really worked on cars besides things like brakes and oil changes until I got this car, but I'm an experienced home motorcycle mechanic.

    After reading through almost every page of this thread, I landed on something I don't think I've seen done yet. This is my parts list. Still waiting on the bilsteins and the drophats. I may end up getting cabrio springs, but I didnt want to go that low.

    H&R OE sport springs (PN 50404-55)
    Bilstein B8s
    Rear: 10mm upper spring pad, standard lower
    Front: standard spring pads, e90 drop hats

    My thinking is that the OE sport springs will offer a modest drop (1.5) in the rear and not much drop at all up front. Hence the thicker rear spring pads in the back, and the drop hats up front. I'll play with it and try to get it right. I wish there were better options for the 318ic, as it seems everything is marketed towards the 325 cabrio.

    What do y'all think? and thanks for reading my first post! I hope to be around for a while... when this m42 dies me and the girlfriend would love to do an s52 swap!

    Leave a comment:


  • Das Delfin
    replied
    Thanks! It's got a cross brace in the front but no strut tower brace yet - I'm waiting for a local deal on one of those. I've noticed when cornering the chassis flex is now a bit ridiculous. I don't want to put a 6 point cage in my car so I may go back to H&R sports so the suspension is better balanced with the chassis flex

    It's so bad that mid corner you have to readjust your turn in angle so the back of the car stays flat with the front, which is of course pretty distracting and quite scary. I set it up like this for autox but apparently stiff springs aren't always the answer!

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  • Bearmw
    replied
    Nice job! The car looks great.

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  • Das Delfin
    replied
    This is H&R race with one coil cut off the fronts with 15" wheels and 205-50 tires


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  • d.brocco
    replied
    nt

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