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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 03-07-2006, 08:05 PM   #1
Devonjordan
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Koni FSD's

Does Anyone have the Koni FSD shock absorbers and if so can you give me a review? Also can anyone recommend some shocks that will give me a sportier ride without killing ride quality, ive heard the above are good for this.
Thanks
Devon

PS I drive a 2002 325i
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Old 03-07-2006, 08:14 PM   #2
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i have read reviews that offer nothing but praise for the fsd's. However, koni says they are only for non lowered cars...... soif u intend to keep the stock ride height(springs) these may be the way to go. Someone on this forum reviewed them a couple of days ago, do a search, it was very well written.
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Old 03-07-2006, 08:42 PM   #3
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tirerack's review

http://www.tirerack.com/suspension/tests/koni_fsd.jsp

I was going to order this. but they are out of atock until April 25...
Koni-Na is also out without a date...

i went with Koni Sports Dampers instead. Anything is better than stock.
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Old 03-07-2006, 08:48 PM   #4
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If you want to keep your stock springs and want a nice set of shocks/struts that are as good as oem, if not better, get the new Koni FSD system.

The April Issue of European Car, they tested the new Koni's FSD.

They tested a stock Koni Sport kit and a Koni FSD equipped 330ci.

Here is what they say and I quote

"The FSD car was numbingly comfortable when compared to the other cars, but did not have the fun edge of the Sport Supsension. Even with the compliant ride quality, the FSD car still cornered and maneuvered better than the stock car. THe performance advantages of the FSD was not concretely apparent untill we timed the cars on an autocross course. Instinctively, the 330ci with the KONI SPORT suspension felt faster and more precise. It instilled a lot more driving confidence in the corners but required quck reaction and precise control, which actually resulted in slower lap times comapred to the FSD. With better compliance, the FSD system made smooth driving easier and more consistent. Across the board, the FSD was faster in the slalom and skidpad portions of the autocross. My only gripe would be the REDUCED FEEL COMPARED TO THE OTHER SUSENSION. Koni FSD system is most likely NOT what the hardcore enthusiast is looking for. It's marketed TOWARD someone looking for a little more performance over the stock system while maintaing a lot of comfort to keep the wife happy" (European Car, April 06)
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Old 03-07-2006, 11:43 PM   #5
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Thanks guys. Thats exactly what i was looking for! Where the f is my issue of Euro Car?
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Old 03-07-2006, 11:54 PM   #6
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We have isntalled a few sets and they are rockin'. If you're going to maintain stock height this is the best thing you can do besides sways.
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Old 03-08-2006, 12:31 PM   #7
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Here's a recent review from an E46 owner...

http://www.bimmerfest.com/forums/sho...&highlight=fsd
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Old 05-16-2006, 10:20 AM   #8
warmasice
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Exclamation

Can anyone categorically state for certain whether H&R sport springs can be used with Koni FSD's?...

Infact, does anyone have this setup at all?.. and does anyone know how long the UK back order is?

Cheers!
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Old 05-16-2006, 08:14 PM   #9
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Old 05-16-2006, 10:49 PM   #10
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go with what Koni is advicing and do not go off tangent. only oem sports spring... for the sport version.
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Old 05-16-2006, 10:53 PM   #11
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I got them on my car together with Eibach Prokit springs.

My goal was to improve ride comfort and handling at the same time (seemingly impossible as they're opposing suspension traits). I don't track or autocross so, I don't need coilovers or anything that extreme.

My ride comfort went out the window after I switched to 19's and also the car looked stupid unlowered. I drove about 10 E46's (local BMW club) with different suspension setups, PSS9 on different settings, Eibach/Blistein, H&R, K&W, BC... and found them all to be way too harsh for daily commuting.

Then I came across the FSD's promising to deliver what I was looking for and boy did they! After I got them on, ride comfort went back to when I was on 17" and stock suspension, BUT, at the same time, the car handles A LOT better. Low frequency movements (like turns) are damped hard and low frequency movements (like bumps) are damped softly. I can take the same corners at much higher speeds with more confidence as the car stays relatively flat. At the same time, bumps that used to make me wince are now totally acceptable.

Of course, some of it has to do with the Eibach Prokit springs that went in at the same time.

So car is lowered and looks good, ride is comfortable and handling improved by a few leagues. The perfect compromise for me.

I would say: Go for it!

Here are a few pics:



New suspension and mounts



Installed


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Old 05-17-2006, 02:27 AM   #12
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"does anyone know how long the UK back order is?"

There is no UK backorder. I ordered a set last friday and picked them up yesterday. I know of someone else who bought a set the day before from his local supplier. Don't pay too much more than about 380-390 pounds (incl VAT).
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Old 05-17-2006, 09:36 AM   #13
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380-390 pounds? woa. they're about 550 pounds over here. would've been 450 if it wasn't for that damned tax..

about H&R sport springs + Koni FSD, here's what Gary@Tirerack had to say when i asked "are these (Koni FSD) compatible with aftermarket springs (such as H&R Sport Springs)?":

"Yes, they certainly are." (from http://forum.e46fanatics.com/showthread.php?t=320571)

"H&R race springs are pretty aggressive to be used with these shocks. Koni suggest using the Sport shocks instead with those springs." (from http://forum.e46fanatics.com/showthread.php?t=346090)

also read this post: http://forum.e46fanatics.com/showpos...6&postcount=18
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Old 05-17-2006, 01:08 PM   #14
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I order them in late March and still don't have them. They are backordered in the US till June 10th.
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Old 05-17-2006, 01:11 PM   #15
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Originally Posted by JCTPM
I order them in late March and still don't have them. They are backordered in the US till June 10th.
Huh? I ordered mine 2 weeks ago and they are on my car now.
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Old 05-17-2006, 02:38 PM   #16
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Originally Posted by JCTPM
I order them in late March and still don't have them. They are backordered in the US till June 10th.
I ordered from TireRack last week and they are also on my car now.
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Old 05-17-2006, 03:38 PM   #17
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thanks to all that replied! i read gary's comment but he left it somewhat open, by saying in one of his posts that he would get his suspension dept to look into it further. i've emailed him for a follow-up on that comment to see if he's got any more info.

chickenbutt - thats one hell of a sedan you got there. i'll checkout the links you pm'd me.. did you get that hood to line up in the end?
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Old 05-17-2006, 03:41 PM   #18
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We have installed a set on a Bay Area fanatics 325i. He loves them, they ride great and perform VERY well. You cannot use lowering srpings with them.... His ID here is "SLI"

Walter
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Old 05-17-2006, 03:43 PM   #19
joem
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Quote:
Originally Posted by Devonjordan
Does Anyone have the Koni FSD shock absorbers and if so can you give me a review? Also can anyone recommend some shocks that will give me a sportier ride without killing ride quality, ive heard the above are good for this.
Thanks
Devon

PS I drive a 2002 325i

I had Koni on my Audi and they were the best shocks I have ever used. btw, I have H&R Coilovers on my M3 and they are alot stiffer.
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Last edited by joem; 05-17-2006 at 03:47 PM.
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Old 05-17-2006, 09:46 PM   #20
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Originally Posted by warmasice
chickenbutt - thats one hell of a sedan you got there. i'll checkout the links you pm'd me.. did you get that hood to line up in the end?

Thanks warmasice.

Not yet. But Vorsteiner has already offered a satisfaction guranteed resolution. My dealer is in LA now, so when he gets back to my country, he will try to do a few adjustments. If nothing can be done (which I suspect is the case), Vorsteiner will send a new one to me at no cost.
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