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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Suspension overhaul, help me finally do it right (what to buy)



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      02-02-2011, 07:52 PM   #1
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Question Suspension overhaul, help me finally do it right (what to buy)

I am sick and tired of messing with my suspension. I want to do it right once and for all.

What I am looking for

-smoothest ride possible
-ability to drop car between .8-1.2 inches, not slammed
-improved handling over stock sport suspension
-price at 1k or less

What I dont care about

-tracking the car, race suspension setup
-adjustable dampning, since i want a comfort based setup

SOOO

with that in mind, i have been looking at the

-eibach pro system kit which is 675 and includes pro kit springs and matched shocks/struts
-sonic s1 coilovers
-fk silverline coils
-st v1 coils


What should I do based on my needs? Right now I am leaning towards the st or eibach setup....

I would also consider used coils if the price is right and they are in good condition.
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      02-02-2011, 07:59 PM   #2
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ive got sportlines i dont think pro kit will be low enough for you. also what is your new tire sizes if you stick with the same this is what eibachs will look like. you can get tires that will take up more wheel well.
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      02-02-2011, 08:01 PM   #3
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looks good man, thats about the kind of drop i am looking for
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      02-02-2011, 08:04 PM   #4
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i will let you take it for a spin to help make up your mind
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      02-02-2011, 08:11 PM   #5
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thanks man sounds good. looks like those tires wont arrive tomorrow. hell they may not come till monday. this weather is nasty.....
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      02-02-2011, 08:14 PM   #6
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thats fine its better for me, im just going to throw them in the garage for now anyway.
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      02-03-2011, 06:59 AM   #7
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Alan Wei at **********s can give you a great deal on ST V1 or KW V1. I'm going that route with him shortly.
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      02-03-2011, 07:48 AM   #8
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Quote:
Originally Posted by josephbet01 View Post
Alan Wei at **********s can give you a great deal on ST V1 or KW V1. I'm going that route with him shortly.
What constitutes a great deal on st v1?
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      02-03-2011, 09:19 AM   #9
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I would go with the pro-kit system. I installed pro-kit springs on my e92 with stock shocks (just waiting for them to go bad) and still I can't believe it lowered the car and its' very comfortable.
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      02-03-2011, 11:42 AM   #10
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Quote:
Originally Posted by KennyPowers View Post
I am sick and tired of messing with my suspension. I want to do it right once and for all.

What I am looking for

-smoothest ride possible
-ability to drop car between .8-1.2 inches, not slammed
-improved handling over stock sport suspension
-price at 1k or less

What I dont care about

-tracking the car, race suspension setup
-adjustable dampning, since i want a comfort based setup

SOOO

with that in mind, i have been looking at the

-eibach pro system kit which is 675 and includes pro kit springs and matched shocks/struts
-sonic s1 coilovers
-fk silverline coils
-st v1 coils


What should I do based on my needs? Right now I am leaning towards the st or eibach setup....

I would also consider used coils if the price is right and they are in good condition.
The answer is simple, you get what you pay for when it comes to vehicle suspension. As such a crucial component of your vehicle, suspension is definitely something you do not want to cheap out on. A coilover suspension basically gives you a matched lowering spring and shock absorber combination with the added benefit of adjustable ride height and spring rates through a moveable spring perch or perches. Coilovers are to your car's advantage by reducing unsprung mass, increasing suspension travel, and allowing the car to be corner balanced.

Coming from the makers of KW suspension systems the only main difference between the ST Variant 1 and KW Variant 1 is the steel they use. While KW uses Stainless Steel for their shock housing, ST uses Galvanized Steel. However, this does not mean a drop in quality, durability, or appearance. Although coilovers that use galvanized steel are more prone to corrosion due to environmental influences (i.e. mixture of salt water); those in the lower states: California, Texas, Florida, Nevada, etc. don't have to worry about corrosion. Those in the mid to upper States that snow still don't have much to worry about as long as they do not drive in heavy snow conditions upon where salt is used on roads. to further ensure those with doubt about Galvanized Steel, ST has corrosion resistant zinc plating on all of their threaded strut housings for further protection. You'll be able to lower your car in 1.2"-2.4" in the front and 1.0"-2.2" in the rear. I'll go ahead and shoot you over a PM with more details in regards to pricing!

Quote:
Originally Posted by josephbet01 View Post
Alan Wei at **********s can give you a great deal on ST V1 or KW V1. I'm going that route with him shortly.
Thanks for the plug and I do take care of all you E90post members. Let me know whenever your ready to get this set up
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      02-03-2011, 06:22 PM   #11
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I have an opportunity tk get st v1s or go with koni shocks with h&r sport springs.

Should i go with the coils?
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      02-04-2011, 02:56 AM   #12
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Thanks for your order on the ST V1 !
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      02-04-2011, 06:27 AM   #13
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Quote:
Originally Posted by **********s.com View Post
Thanks for your order on the ST V1 !
Thanks Alan! Excellent service and I am excited to get these put on the car. Maybe finally i can fix the annoying rake!

Wi update this thread with pics and start a new review thread as well.

Thx **********s!
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      02-07-2011, 01:42 AM   #14
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Are ST made in the same factory as KW?
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      02-07-2011, 01:45 AM   #15
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Quote:
Originally Posted by dlouie87 View Post
Are ST made in the same factory as KW?
Not sure if they're made in the exact same factory, but they're definitely the same company we've all grown to love and trust
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      02-07-2011, 11:25 AM   #16
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Quote:
Originally Posted by dlouie87 View Post
Are ST made in the same factory as KW?
Internal components are exactly the same (this is confirmed multiple times by KW) so most likely yes made in same factory for the components. Assembly could either be in Germany or maybe here in the US - again I am just speculating on assembly. The ST's are an amazing value - if you don't need need the stainless steel.
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