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



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      12-27-2012, 10:18 AM   #1
SFGiants
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coilover decision

Hey guys I'm thinking of getting a set of coils for my 335i e90 but i don't really know what to get. I've been looking at the sonic tuning ST1 coils and the H&R coils but cant really decide. what do you think is a better buy and better long term. i was also thinking of just spending the money and getting the kw v1 because of so many good things I've heard about them. so please give your input thank you.
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      12-27-2012, 11:43 AM   #2
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I'm unbias, so I'm only going to use the three you listed. Since you up north (don't know if it snows in Jersey or not), I would rule out ST1. They are a good system, but made out of galvanized steel and would rust from the salt on the ground. The KW v1 is pretty much the same setup but made with better materials. They are great if you just want to lower your car to your liking, but you wouldn't not be able to adjust your dampening (softness & stiffness). The full solution would be the H&R only if you want to fully adjust your suspension to your likings. So in all, it comes down to your wants and needs, hope this help.
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      12-27-2012, 06:50 PM   #3
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Thanks man It did help. Do you know any other coils in the 1600 and lower price range?
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      12-28-2012, 11:09 AM   #4
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Off the top of my head, BC Racing, KW V2, and Bilstein PSS9 (maybe PSS10 if you find a sale). I'm sure there are plenty more but these are some of the popular ones on the forum. If you keep searching this section, you'll find some pretty in depth reviews.
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      12-28-2012, 11:30 AM   #5
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i have BC racing and i really like them, pretty good ride and pretty well made. They are also fairly inexpensive, i upgraded my springs to swift springs and i also got the extenders for the dampening adjustment in the back and i will say they are definitely worth the extra $

But for that price range im sure there are plenty of other good suspension setups, this is just the only one i have personal experience with.

Heres a quick review of them, http://www.e90post.com/forums/showthread.php?t=710903
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      12-28-2012, 11:33 AM   #6
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You can get KW Street Comfort coilovers for that at **********s.
They're your best bet unless you're building a track car imho
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      12-29-2012, 12:11 AM   #7
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yea i mostly leaning towards kw v1 a couple of my friends have them and they say nothing but good things. but i am going to take my time on choosing the right one. thanks for the input it really helped.
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      12-29-2012, 12:18 AM   #8
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I'm I the same boat, and ultimately decided to spend the extra money for KW V1.
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      12-29-2012, 01:03 AM   #9
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Can't go wrong with KW, tried and true. I have v2's and love them.
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      12-31-2012, 10:08 AM   #10
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Are you getting the coilovers for handling or looks?

If handling, consider hpa's or tc klines

http://store.vacmotorsports.com/tc-k...tem-p2349.aspx

http://www.e90post.com/forums/showpo...6&postcount=17

Some snippets of reviews here
Quote:
HPA Coilover reviews

I've got the HPA Koni Coilovers with 336/672 Swift springs, along with all the M3 suspension bits and I agree with everything you said. My setup is a little more biased to the street and the rough, pot holed excuses for roads here in NY. I did M3 Sways, M3 rear arms, subf-rame bushings and LSD but not strut brace or camber plates. I think the spring really are the key with their reduced weight and linear rate, they just perform extremely well. Harold at HPA really helped me out in making my decisions, had them installed locally since I'm on the east coast.


-----------------------------

http://www.e90post.com/forums/showpo...6&postcount=17

(in NY)That would be me . Rides great! Perfect combination of spring and strut. Very smooth. Took her out on a 100 mile run the next day. Absorbed bumps very comfortably. I had stock suspension ZSP with non run flats before the HPA koni's and the ride was still a bit harsh over bumps. With the HPA koni's...loving it. As Matt said, M3 sways would be next, but the downpipes first....

I have about an 1" gap b/n the wheel and fender. I'm gonna measure the wheel to fender and post up when I get a chance later.

Thanks Matt, good work as always.


--------------------------------------------------------------------
i have this kit:

HPA Koni Coilover Kit w/ Swift Springs S/A: $2300 incl. camber plates
i think i did 336/672

i love it, use 94% daily driven, 6% track. i did not initially get camber plates, however they are going in next week!

my brief review is the kit it very capable and more then sufficient for daily driving. makes driving to work a blast! i have tracked it once and was shocked how capable it was there too. the car did not get upset at all at thunderbolt and i don't consider my self an advanced driver

a good alignment is important as well. PSS also have helped this kit shine
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      01-01-2013, 01:55 AM   #11
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^that! +1

i have hpa setup with 392/616 swift springs. it's a bit harsh but not annoying. handling is great and it could be comfy on freeway. if i compare the ride between that to my E70 X5 with adaptive suspension with the "Sport" on, it's not a lot stiffer than the e70, just a little more "solid" and less frequency. very minimal body roll. i had my wife and my daughter (she was 5 months old back then) sat in my car and both didn't show any discomfort.

depends what kind of ride do you need, talk to Harold and he will be gladly to fit the right spec springs for you.
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      01-03-2013, 10:55 PM   #12
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im selling my Brand new never opened box of KW V1 for e90/e92 for 1,100.00 shipped anywhere in the US. Let me know. KW has a good rep with BMW as solid coilovers.
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      01-06-2013, 12:49 AM   #13
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Quote:
Originally Posted by SCSRe92 View Post
also got the extenders for the dampening adjustment in the back and i will say they are definitely worth the extra $
what are these? I just ordered my BC BR coil overs and want whatever this is lol!!
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      02-27-2013, 01:28 AM   #14
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OP... did you choose a coilover set yet?
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      02-27-2013, 11:16 AM   #15
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Quote:
Originally Posted by fresh_LA View Post
OP... did you choose a coilover set yet?
yes i chose the kw v1
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      02-27-2013, 10:50 PM   #16
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Quote:
Originally Posted by BMWs1OOORR View Post
im selling my Brand new never opened box of KW V1 for e90/e92 for 1,100.00 shipped anywhere in the US. Let me know. KW has a good rep with BMW as solid coilovers.
Are these still for sale? I'm interested if they are. Let me know.
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