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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Sonic tuning coilover vs. ST



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      05-09-2012, 10:49 PM   #1
Motastic
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Sonic tuning coilover vs. ST

Can someone give me some input? Quality, ride, and overall performance.

I am debating between the two. I need better handling for my car and I heard with ST it's basically just lowering your car on stock suspension handling....

Anyone with experience care to chime in?
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      05-09-2012, 11:04 PM   #2
LocDawgg
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I have Sonic Tuning S1 Coilovers. The install was pretty straightforward. I followed a couple of DIYs here on e90post.com

Ride Height is perfect for me, i am not maxed out yet but pretty good for me on stock 162s. Compare to other cars (non-bmws) people who sat in my car has complimented me how smooth my ride is (this is with 5 people total in the car along with over 50lbs worth of bowling balls in the trunk). The rears i have it setted at medium and the fronts i have it set pretty hard.

I havent heard anything bad about ST coilovers, but i know they are a sister product of KWs. Sonic Tuning are from taiwanese products. So the parts are same parts that other brands uses, such as BC Racing, and etc.
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      05-09-2012, 11:07 PM   #3
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i have st's on my car. the ride is a little stiffer then stock. but it hanldes great.
oh and st's are kw v1's.
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      05-09-2012, 11:38 PM   #4
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Quote:
Originally Posted by pdubbb1 View Post
i have st's on my car. the ride is a little stiffer then stock. but it hanldes great.
oh and st's are kw v1's.
What!? ST are the same as KW 1's?
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      05-09-2012, 11:44 PM   #5
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ST are k1 but made of galvanized steel
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      05-09-2012, 11:46 PM   #6
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I think sonic tuning it is than. They replace the upper stock strut mount as well? Correct?
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      05-10-2012, 03:02 PM   #7
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Quote:
Originally Posted by Motastic View Post
I think sonic tuning it is than. They replace the upper stock strut mount as well? Correct?
If you are talking about the camber plates then yes
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      05-10-2012, 04:01 PM   #8
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well the mechanic told me i need to replace upper strut mount, whatever that is...
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      05-10-2012, 05:22 PM   #9
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I can tell you that my Sonic Tuning S1s ride just as well as KW v2s on a friends car. Granted I have to run them at a pretty soft setting for the same ride softness but we can't tell a difference. I've already put on about 20k miles on them and I'm VERY pleased with them. I'm sure you'll be happy with them.
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      05-10-2012, 05:25 PM   #10
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+1 for Sonic Tuning s1 suspension. I got a ride in a custom s5 from sonic tuning the other day and that was SICK. It was a subaru but it was awesome.
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      05-10-2012, 06:16 PM   #11
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well sweet glad i made the right decision and didnt get the st
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