Suspension!!!!!!!!

[Jzenzano]

E30 325e performance coilovers/suspension! Shoot the names out! Need ideas!


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[z31maniac]

Budget? All track, or street/track? Tires used? Sways planned?

[Massimo]

A Set of Motion Coilovers with overnight shipping from Atlanta will do nicely.

[Jzenzano]

Budget? All track, or street/track? Tires used? Sways planned?

budget would be great but I wanna get ideas so say what ever m8, street/track, sways are planned, and im getting new tires and wheels here shortly

[TobyB]

Koni singles on all 4, sleeves from the cheap Honduhh coilover kits, Hyperco springs
(they make a 5" that works great with just a hat in back)
weld some perches for the coils onto the stock struts in front.
And splurge for the Ground Control front top bits- they're worth the extra $100 over
the Ireland parts, just for the sex factor.

t

[Bimmerman325i]

Main price points:

< $500-1000
Any coilover here: absolute garbage, but gets you the low stance look all the kiddies post on the hipstergrams.
Example brands are JOM, Raceland
Same price point buys nice shocks or nice springs to reuse your springs or shocks with. Best budget option.

$1000-1250
Springs + shocks: Bilstein sports/Koni yellows + H&R springs or equivalent. Very good setup, doesn't get you any instagram likes.
Nonadjustable coilovers: acceptable for DD use.....key word being 'acceptable.' Examples are: KW V1, ST Coilovers
Adjustable coilovers: still crap for the most part. Emphasis is on height adjustability, with poor damper quality (if adjustable). Examples are BC Racing, Megan Racing.

$1250-1700
Springs + Shocks: things like the Turner J-Stock kit (or equivalent) are track use oriented kits. Not ideal for DD.
Adjustable coilovers: GC Single Adjust, TCK Singles. Fantastic value per dollar, adjustments actually do something, quality damper, quality springs. Can go flat brim cap yo low if you're a 12 year old.

$1700-2500
GC/TCK Doubles, KW V3: all excellent. Above most people's ability and need.

$2500-4000
MCS/JRZ Singles: best available

>$4000
you know what you're looking for in this range, and it's the absolute best. MCS/JRZ double or triple, Ohlins, etc.

[Wschnitz]

Budget end I can only recommend HR Sport/Race with some billies or konis. Start from there if this is your first "race car". Once you start to outgrow the HR then work up to GC/TCK etc as you get more funds.

Start with the beginners setup HR + Billies though IMO, it really helps you grow into the car and get a feel for it. I have HR Race and Billies, Corners flat to a point, but is very forgiving. Once you start getting wheel lifts in every corner then its time to switch.

[z31maniac]

I'd probably go with a set of GCs and call it done.

[TobyB]

GC sells Koni, y'all know, right?

I do love the 'mystique' factor to the words "coil over"-
it's still just a shock and a spring with a few threads thrown in.

t

[Grackle]

I went with CG c/o conversion and Billy sports. Rides nice, handles nice.

[Wschnitz]

GC sells Koni, y'all know, right?

I do love the 'mystique' factor to the words "coil over"-
it's still just a shock and a spring with a few threads thrown in.

t

Usually accompanied by custom spring rates, strut size, top hats that dont suck, compact width...

No one is saying it with "mystique", stop trying to sound smart, coils are more then normal springs and shocks because of the massive amounts customization and adjustments you can make.

[SkiFree]

, stop trying to sound smart,

The problem is Toby IS smart, no "trying" about it.


OP, for the rears I will say that budget-ish you should be looking at an adjuster that fits a 2.25" or a 60mm spring. 2.5" springs don't exist in configurations we like to see on the e30. Specifically IE has a 2.25" adjuster that has an ID specifically machined to sit snug over the trailing arm nipple on the e30 (not to mentioned provides components via private label to a couple other places mentioned here already).

For camber plates the GC's do go all out, they are very nice. The IE's still get the job done much better than the no-name ebay/bc fodder.

[burkey001]

Very happy customer with both 2 way MCS and AST dampers.

Both are pricey but a no-regret spend

[djjerme]

Shhhhhh Toby, don't tell everyone the BIG SECRET!

But seriously, if you are being cheap just go with the SE30 suspension (Billie HD's and H&R race springs and a decent sway bar.)

If you want to go full 'tard, just do like Toby and I did and put together your own set up. You can adjust it based on your abilities/resources. The first iteration of my coilover setup was using the German Engineering parts, which basically consisted of cutting off most of the front spring seat on the strut assembly, slipping the sleeves over the housing so it rested on what was left, some Billie HD's or Koni adjustables, springs and camber plates. out back there is nothing special to do - lift car up, yank out old springs, pop new springs in and swap out shocks - drop car on ground and wear our the inside of your tires to your hearts content!

If you decide to go that route, do like Toby suggested and spend some extra coin on GOOD camber plates - I have gone through a couple different cheap ones on the race car, mostly due to cracking of the plate itself or failure of the bearing.

Plus, going this route, you can later on decide to get some STANCE by sectioning and rewelding the front housings and installing shorter IX or G60 Corrado shocks and then really beat the sh*t out of your tires!

Time Attack Bro!


*since you are in Portland, you are welcome to come by and check out my setup some time, or I can take you by Dynasport some time and show you some of the other options.

[Wschnitz]

The problem is Toby IS smart, no "trying" about it.

I stand by my statement, I think its pretty dumb to talk about coilovers in an attitude that they are just fancy springs etc. Makes dumb people think that any coilover works, they are all the same just fancy springs right?

Might as well put BC coilovers on...