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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Suspension Techniques Coilover



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      08-22-2007, 04:20 PM   #1
Ray
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Suspension Techniques Coilover

Suspension Techniques (a.k.a. ST suspensions) now offers a new coilover for the E90/92.

Quote:
Originally Posted by www.stsuspensions.com
For the ultimate in performance, style, and handling; choose ST height adjustable Coilover kits. The threaded shock bodies allow you to customize your vehicle’s ride height to the max, without compromising safety, functionality, or driving performance. Each application is thoroughly engineered and tested under road and track conditions by our European manufacturing facility to ensure it meets the highest quality standards of the German TÜV.
This system offers similar features to the V1 made by KW, it's parent company, at a competitive price. The shock body of the ST coilover is galvanized steel, while the KW is stainless.

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      08-23-2007, 11:29 AM   #2
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yea, i heard these are pretty much kw v1's, except the body of the kw's is stainless and the st's are galvanized steel like you said.
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      08-25-2007, 02:35 AM   #3
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They are great coilovers

Let us know if you guys have any questions

-Sam@AutoTalent.com
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      08-25-2007, 11:21 AM   #4
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How much? So if it's not stainless steel, does it mean it will rust?
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      08-27-2007, 03:02 AM   #5
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Quote:
Originally Posted by Bimmer335i07 View Post
How much? So if it's not stainless steel, does it mean it will rust?
Depending on the grade of steel, anything can be threatened by the elements. But if both materials were sampled in water, the galvanized steel will corrode faster than the stainless steel.

On the other hand, these products are manufactured to a certain code or standard before it's released to the market. So I doubt they will sacrifice their brand/reputation for a few coilover sales.
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      08-31-2007, 07:34 PM   #6
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ray, what are your thoughts about this coil over system?

also, i'm thinking being in cali the galvanized steel would not be much of an issue.
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      09-03-2007, 01:53 AM   #7
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Quote:
Originally Posted by shragon View Post
ray, what are your thoughts about this coil over system?

also, i'm thinking being in cali the galvanized steel would not be much of an issue.
Rob, I have a set to install on my friends car and will provide my feedback within 1-2 weeks.

From what I have heard so far, these coilovers are identical to the KW V1. With KW as the manufacturer and source of technology, I wouldn't doubt them.

We in California hardly endure the elements faced by other areas and climates, and agree that the materials used will not be a concern.
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      09-03-2007, 01:28 PM   #8
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sweet ray! looking fwd to hearing the feedback!
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      04-15-2008, 12:37 AM   #9
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I'm in Vancouver, B.C. Canada

Do you guys recommend it?

We do have snow here but maybe only a dozen times.

They do salt the roads here as well and I might hit up the local mountains up here as I do have winter run flat tires for winter.

do you know if they will rust after a certain time since they are galvanized?

Salt Spray Test

http://www.kw-suspension.com/en/20_T...Test/index.php
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      04-16-2008, 05:37 AM   #10
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Quote:
Originally Posted by Bimmer335i07 View Post
How much? So if it's not stainless steel, does it mean it will rust?
PM on the way

They are not guaranteed to rust but stainless steel (KW) will hold up better than galvanized. Go with KW since you are in NJ, we have seen a few used sets (other brand galvanized steel) come to Cali from the Tri-State area & there is a good amount of rust

Quote:
Originally Posted by Ray View Post
Depending on the grade of steel, anything can be threatened by the elements. But if both materials were sampled in water, the galvanized steel will corrode faster than the stainless steel.

On the other hand, these products are manufactured to a certain code or standard before it's released to the market. So I doubt they will sacrifice their brand/reputation for a few coilover sales.
ST will hold up but warranty does cover against rust/corrosion. Adjustments are easier made after snow with KW

Quote:
Originally Posted by shragon View Post

also, i'm thinking being in cali the galvanized steel would not be much of an issue.
ST is perfect for California if you are not looking to spend a lot on coilovers

Quote:
Originally Posted by E90PWR View Post
I'm in Vancouver, B.C. Canada

Do you guys recommend it?

We do have snow here but maybe only a dozen times.

They do salt the roads here as well and I might hit up the local mountains up here as I do have winter run flat tires for winter.

do you know if they will rust after a certain time since they are galvanized?

Salt Spray Test

http://www.kw-suspension.com/en/20_T...Test/index.php

We would suggest KW for Snowy climates but it is 'ok' to run ST
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      10-01-2008, 11:31 PM   #11
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Does rain or just water in general have a negative effect on these coils?

I don't drive my car in the snow so that's not an issue.
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      10-02-2008, 01:46 AM   #12
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ST will be fine in the rain
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      10-02-2008, 02:09 PM   #13
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I hope no one discounts the strength and quality of this galvanized steel.

This steel material is coated in layers of zinc to prevent rust and corrosion and is commonly used for marine and industrial applications. I personally would still use this in snow conditions, let alone rain.
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      10-02-2008, 03:56 PM   #14
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Quote:
Originally Posted by Ray View Post
I hope no one discounts the strength and quality of this galvanized steel.

This steel material is coated in layers of zinc to prevent rust and corrosion and is commonly used for marine and industrial applications. I personally would still use this in snow conditions, let alone rain.
are you serious? I wouldn't trust that
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      10-02-2008, 04:48 PM   #15
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ST's FTW....GREAT Coilover for the $$$ I don't track and if I Did, I would never really adjust rebound etc...I am set it and forget with my car.

Also if you are in San Francisco, Mach III has a good installed price on these
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      10-02-2008, 06:41 PM   #16
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+1 I have to agree. I have the ST Coilovers on my E92, and I couldn't be happier. It's a shame that not everyone that wants to get an affordable coilover system jumps on the ST Coilovers. Of course, it depends on where you're located, but we definitely sell large amounts to BMW Enthusiasts around the world.
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