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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Koni Yellow + Swift Spec R Review



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      10-10-2013, 11:43 AM   #23
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Quote:
Originally Posted by Wesley Crusher View Post
Interesting. I know with the H&R sports, the bumpstops are recommended. Is it because the H&Rs have a bigger drop?

I have Koni Yellows and H&R sports and have been thinking about switching to the swifts. Spring vs spring, I am interested in how much better the Swifts actually are. They are linear so they should provide more consistent feedback, yes?

I would love to see some pics of your car. With the H&R sports the rear looks really dumped.
Not only a slightly more drop, but the spring rates are progressive. Therefore you will have a very soft initial travel and not enough later to keep suspension away from the bump stops.

Linear rate is want you want for more accurate and consistent response.
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      10-10-2013, 03:36 PM   #24
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Originally Posted by HP Autosport View Post
Yes, but you will not get the desired drop as the 328i is slightly lighter in weight.
OK maybe I would like the drop more with the 328, I think it is too much with the 335. Would the spring rate cause an uncomfortable ride with the 328?
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      10-10-2013, 03:37 PM   #25
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Originally Posted by cdgatti View Post
OK maybe I would like the drop more with the 328, I think it is too much with the 335. Would the spring rate cause an uncomfortable ride with the 328?
No, not at all. You will only experience slightly less drop and improved comfort!

Last edited by HP Autosport; 10-10-2013 at 03:58 PM.
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      10-11-2013, 10:49 AM   #26
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Originally Posted by HP Autosport View Post
No, not at all. You will only experience slightly less drop and improved comfort!
Harold - what is your feedback regarding running koni yellows with stock non-sport springs??
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      10-11-2013, 11:53 AM   #27
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Quote:
Originally Posted by cdgatti View Post
Harold - what is your feedback regarding running koni yellows with stock non-sport springs??
You will still have improvement in confirm and adding more motion control with the Koni's.
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      10-11-2013, 10:31 PM   #28
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Quote:
Originally Posted by Wesley Crusher View Post
Interesting. I know with the H&R sports, the bumpstops are recommended. Is it because the H&Rs have a bigger drop?

I have Koni Yellows and H&R sports and have been thinking about switching to the swifts. Spring vs spring, I am interested in how much better the Swifts actually are. They are linear so they should provide more consistent feedback, yes?

I would love to see some pics of your car. With the H&R sports the rear looks really dumped.
I just switched my rear H&R sports for Swift 60mm 572 lb springs, swift thrust sheets and OEM thrust bearings. Got the HP ride height adjusters. Totally stoked!!! Lifted my rear up perfect. Easy install.
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      10-12-2013, 07:23 AM   #29
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OP, what is your aggressive wheel setup?. Curious since this caused you to rule out coils.
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      10-12-2013, 07:39 AM   #30
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Quote:
Originally Posted by HP Autosport View Post
Thanks for posting up a review! So many people ask us for customer feedback and now I can shoot them a link. Superior ride quality and a GREAT price!

-Mike
Would they be any better than lineral Dinan springs that I am running with bilstein sport shocks..
btw I had Koni yellows for 3 years and when switched to Bilstein sports the ride quality and handling is far superior to the Konis. Just a perfect blend of sport handling and comfort. I would never go back to Konis..
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      10-12-2013, 09:38 AM   #31
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Quote:
Originally Posted by mlifxs View Post
OP, what is your aggressive wheel setup?. Curious since this caused you to rule out coils.
17x9 et30 square

Its not that I rolled out coils but only linear springs would've worked. So I'd I have to do KW Swift conversion or TCK coils for my price range. I just didn't want to go that route.
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      10-12-2013, 02:04 PM   #32
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Quote:
Originally Posted by rob1024 View Post
Would they be any better than lineral Dinan springs that I am running with bilstein sport shocks..
btw I had Koni yellows for 3 years and when switched to Bilstein sports the ride quality and handling is far superior to the Konis. Just a perfect blend of sport handling and comfort. I would never go back to Konis..
That will depend on the Dinan's specs on the springs.

It's hard to compare 3 year old dampers to brand new ones, just not a fair comparison. Plus we don't know where in the Koni damping adjustment you are comparing to the Bilstein. Furthermore, if the Dinan spring rate a better match for the Bilstein and out of the range for Koni, you will obviously get more quality ride and handling.
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      10-12-2013, 02:55 PM   #33
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Quote:
Originally Posted by HighPSI
Quote:
Originally Posted by mlifxs View Post
OP, what is your aggressive wheel setup?. Curious since this caused you to rule out coils.
17x9 et30 square

Its not that I rolled out coils but only linear springs would've worked. So I'd I have to do KW Swift conversion or TCK coils for my price range. I just didn't want to go that route.
thanks. I'm 18 x 9 et31 square, good to know this is a possible issue when upgrade time arrives.
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      10-12-2013, 09:17 PM   #34
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Quote:
Originally Posted by mlifxs View Post
OP, what is your aggressive wheel setup?. Curious since this caused you to rule out coils.
17x9 et30 square

Its not that I rolled out coils but only linear springs would've worked. So I'd I have to do KW Swift conversion or TCK coils for my price range. I just didn't want to go that route.
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      10-14-2013, 09:47 PM   #35
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Harold will you maybe run a black Friday special on this kit? If so Im in!!!!

Or start a group buy?
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      10-15-2013, 08:27 AM   #36
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Car looks great, digging the 17's with meaty tires.
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      10-15-2013, 01:08 PM   #37
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Quote:
Originally Posted by rob1024 View Post
Would they be any better than lineral Dinan springs that I am running with bilstein sport shocks..
btw I had Koni yellows for 3 years and when switched to Bilstein sports the ride quality and handling is far superior to the Konis. Just a perfect blend of sport handling and comfort. I would never go back to Konis..
Interesting. Seems like the BMW community is firmly in the Koni + H&R camp.

I had Koni Yellows and H&R race on my ZHP, and found it jarring, but tight.

My Bilstein + Swift Spec R setup on my Evo IX MR was, in fact, the jesus suspension. By far the best handling+street compliance I have ever experienced, by a large, large margin.

I would be anxious to hear from more owners on the BMW applications.
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      10-15-2013, 01:14 PM   #38
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I recently put hr sport springs on my car (e90 xi), and I think it's a big improvement over stock springs. I wish there were swift springs available for xi.

Although, I don't like the reverse rake. I may get coilovers just to get rid of it.
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      10-29-2013, 01:42 AM   #39
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Quote:
Originally Posted by baris View Post
I recently put hr sport springs on my car (e90 xi), and I think it's a big improvement over stock springs. I wish there were swift springs available for xi.

Although, I don't like the reverse rake. I may get coilovers just to get rid of it.
You can contact Swift to express your interest in the xi version of the Spec-R springs. If enough people contact them, they may just make it happen.
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      10-29-2013, 06:38 AM   #40
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HighPSI - Maybe I missed it, but what is your wheel/tire spec?

HP_Autosport - Harold, PM me price on Yellows + Spec R and are these the Race springs.
Also, PM me price on Bilstein + Spec R if you have availability.

Thanks!
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      10-29-2013, 08:09 AM   #41
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Quote:
Originally Posted by J38 View Post
HighPSI - Maybe I missed it, but what is your wheel/tire spec?

HP_Autosport - Harold, PM me price on Yellows + Spec R and are these the Race springs.
Also, PM me price on Bilstein + Spec R if you have availability.

Thanks!
17x9 et30 245/45/17R

There is only one version for the Swift springs on the 335i and that is the Spec R, unless you're going coilovers.
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      10-29-2013, 09:14 AM   #42
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Quote:
Originally Posted by HighPSI View Post
17x9 et30 245/45/17R

There is only one version for the Swift springs on the 335i and that is the Spec R, unless you're going coilovers.
Ahhh yeah. Forgot that they called the sports Swift Sport. Good deal, thanks for the info and the specs, I'm thinking about this same setup and I thought it looked like 17's. Got any angled shots you could pm me?
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      10-31-2013, 09:56 PM   #43
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OP: Is this your daily? I'm thinking about the same setup for my E90, most of the streets in Toronto are a disaster. Just wondering if the setup is going to be too firm for a DD.
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      11-01-2013, 07:59 AM   #44
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OP: Is this your daily? I'm thinking about the same setup for my E90, most of the streets in Toronto are a disaster. Just wondering if the setup is going to be too firm for a DD.
Ya it's my daily and I don't mind the firmness on our roads. It's obviously not the most comfortable ride due our horrible streets but I can live with it.

Take into consideration I have 17s and beefy tires so it helps the comfort for sure.
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