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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > which suspension to choose...



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      02-11-2009, 05:01 PM   #1
Luki
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which suspension to choose... Pictures on the 2nd page

I have E91 with m sport suspension.
I wish to lower it but not to loose much of the comfort.

I was thinking of KW lowering kit: shocks + springs.
Do you think it will get lower than I have right now?
This KW kit makes -35 and -25 comparing to stock set but is it gonna lower mine...

Second option is coil over.
I am thinking of:
- KW v.1
- eibach pro street S

Which would you recommend?
Which is more comfortable and better quality?

I appreciate your help.

Greetings from Poland
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Last edited by Luki; 04-08-2009 at 08:49 AM.
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      02-12-2009, 07:39 PM   #2
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KW1 or better KW2 setup is a good way to lower the car.
I run the KW2's and they are perfect. I highly recommend them over lowering springs.
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      02-12-2009, 07:49 PM   #3
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Get a set of coilovers. That way you can set the height just as you like.
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      02-12-2009, 08:38 PM   #4
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i would get the bilstein coilover setup, it seems pretty nice and ive heard good things from it
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      02-12-2009, 08:39 PM   #5
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Quote:
Originally Posted by remmib View Post
Get a set of coilovers. That way you can set the height just as you like.
KW V2 or V3 HANDS DOWN.
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      02-13-2009, 05:37 AM   #6
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Ok so I will choose KW v.1.
V.2 has possibility of adjustment the dampening however I will not use it much and price difference here in Poland betwenn V.1 and v.2 is over 400 USD

Is the daily komfort simillar to OEM m-sport suspension?
Is it hard to adjust the height after the instalation in daily ride?
Do I need to alignment the ride every time I change the height?
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      02-13-2009, 09:12 AM   #7
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not hard to adjust and its recommended that alignment be done everytime you alter the height of the car!
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      02-13-2009, 10:42 AM   #8
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Ok.

And just to verify.

Do you think that if I would go for just a KW kit (shocks + springs) which lower -35 front and -30 rear than my car which is msport ( -15 from regural suspension) would go really down?
Does the difference would be easy to notice and the car would go down really?
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      02-13-2009, 12:58 PM   #9
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I don't think the KW kit will drop the car "really low", but I guess it will definitely be lower than the m-sport.

Is there a big difference in price between the KW V1 and the KW kit, if there isn't, I'd definitely get the KW V1.
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      02-13-2009, 01:58 PM   #10
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remmib KW kit price is ~900 USD.
KW v1. is ~1200 USD.
KW v2. is ~1700 USD.
KW v3. is ~2100 USD.

Change of suspension (not in BMW servise ) 200 - 250USD.

That is why I wonder if it is worth to add 300 USD for V1 when I only adjust the hight and most probably will not adjust it later to often.
How do you think: worth or not worth
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      02-13-2009, 02:43 PM   #11
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Well don't think of it as you are constantly changing your coilover settings everyday - think of it as setting it that one or maybe a few more times for the exact feel you want to achieve with your coilover.

The KW's can achieve the lowest drop out there - not that I would really recommend it unless you drive on a road that is as clean as a track.

KW V2's are great but the V1 will also be full compliant - it's still going to give you the ride height adjustability but have that preset dampening which will feel like a sports suspension.
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      02-13-2009, 07:45 PM   #12
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Quote:
Originally Posted by Luki View Post
remmib KW kit price is ~900 USD.
KW v1. is ~1200 USD.
KW v2. is ~1700 USD.
KW v3. is ~2100 USD.

Change of suspension (not in BMW servise ) 200 - 250USD.

That is why I wonder if it is worth to add 300 USD for V1 when I only adjust the hight and most probably will not adjust it later to often.
How do you think: worth or not worth
With those prices I'd sure go for the KW V1.
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      02-14-2009, 02:55 PM   #13
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Thank you Guys.


Some last ones....
- are the shocks in KW kit and V.1 the same?
- when I take KW V.1 and will drop the car lets say in the middle that is possible so
the comfort should be more less simillar to the one wit m-sprt suspension.


If yes then I go for it and lets move the car lower and drive on my superb Polish roads
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      02-15-2009, 08:09 AM   #14
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Quote:
Originally Posted by Luki View Post
Thank you Guys.


Some last ones....
- are the shocks in KW kit and V.1 the same?
- when I take KW V.1 and will drop the car lets say in the middle that is possible so
the comfort should be more less simillar to the one wit m-sprt suspension.


If yes then I go for it and lets move the car lower and drive on my superb Polish roads
Why dont you get the KW street comfort?
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      02-16-2009, 05:32 AM   #15
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Well that was also an idea and still is but just wanted to find out is there a matter to pay 1600 USD for street comfort
or any other V.2 or V.3 if for example sport kit or V.1 will be stiff as the s-sport OEM suspension.
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      02-16-2009, 05:58 AM   #16
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I run FK Silverline X coilovers and I am very happy with them.
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      02-16-2009, 06:10 PM   #17
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And no one said anything on Eibach pro street s soilover?
Is it good and worth to buy?
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      03-19-2009, 09:21 AM   #18
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Well I went today for Eibach pro system ( shocks + springs). 750 USD for set.
Will write how it perfroms when install it on my car.

Thnx for everything.
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      03-19-2009, 02:58 PM   #19
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Looking forward to your review.
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      03-19-2009, 03:11 PM   #20
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I've heard good things about Eibach's kit on other cars but have yet to see someone do it on an E9X model. Looking forward to seeing how you like it.
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      04-01-2009, 07:50 AM   #21
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Eibach just arrived.
Tomorrow it will be insatlled and will let you know my comments
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      04-01-2009, 12:21 PM   #22
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Quote:
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And no one said anything on Eibach pro street s soilover?
Is it good and worth to buy?
I have the Eibach Prostreet Coilovers and love them, no complaints. I got the improved handling and the look that I wanted. I was going to get the KW 1's because more people had them...but when the Eibach's dropped to $650 I had to jump on them..
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