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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > I can't take it anymore. I need struts for my H&R's



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      04-07-2011, 03:06 PM   #1
UltimateLurker
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I can't take it anymore. I need struts for my H&R's

I thought I could handle the bouncy ride with H&R Sport springs and stock struts. Its just too much. Around town is fine, its freeways that are the problem. I've riden in a KW v2 car and it rebounds much better over bumps and transitions in the road. Are there any aftermarket strut options that will give me a stock like, or KW like ride quality? I had an alignment done after installing H&R springs, will my alignment specs change after replacing struts?
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      04-07-2011, 03:08 PM   #2
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Quote:
Originally Posted by UltimateLurker View Post
I thought I could handle the bouncy ride with H&R Sport springs and stock struts. Its just too much. Around town is fine, its freeways that are the problem. I've riden in a KW v2 car and it rebounds much better over bumps and transitions in the road. Are there any aftermarket strut options that will give me a stock like, or KW like ride quality? I had an alignment done after installing H&R springs, will my alignment specs change after replacing struts?
hmmm how long they been on the stock struts? I been on mine for about 7500miles and never had any complaints.
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      04-07-2011, 03:47 PM   #3
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I've had them 8 months. I can't complain about them at low speeds. But anything above 50 where theres a transition in the road where the grade suddenly changes, I literally have to brace myself for the bounce.
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      04-07-2011, 03:55 PM   #4
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Quote:
Originally Posted by UltimateLurker View Post
I thought I could handle the bouncy ride with H&R Sport springs and stock struts. Its just too much. Around town is fine, its freeways that are the problem. I've riden in a KW v2 car and it rebounds much better over bumps and transitions in the road. Are there any aftermarket strut options that will give me a stock like, or KW like ride quality? I had an alignment done after installing H&R springs, will my alignment specs change after replacing struts?
koni yellows will match nicely, and you will need another alignment after the install
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      04-07-2011, 04:10 PM   #5
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What's the difference between Koni FSD, Sport and Yellow? From what I read Yellow is adjustable. I'm really looking for the most comfortable, stock like ride that won't bottom out.

I found this post in another thread:

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Originally Posted by buckshizzo View Post
I personally have the H&R sports and Koni FSDs combo. I am happy with my setup. Ride is great and definitely more comfortable than the stock sport suspension. I had the H&R sports paired with the stock struts/shocks prior to getting the FSDs and let me tell you it bounced like a mofo. It was like riding on a galloping horse. As soon as I put on the FSDs, I felt the difference in ride comfort. No more bounce and ride is more comfortable. I personally also think the drop on the H&R sports is perfect. Not too low and not too high.
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Last edited by UltimateLurker; 04-07-2011 at 04:18 PM..
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      04-07-2011, 06:31 PM   #6
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Quote:
Originally Posted by UltimateLurker View Post
What's the difference between Koni FSD, Sport and Yellow? From what I read Yellow is adjustable. I'm really looking for the most comfortable, stock like ride that won't bottom out.

I found this post in another thread:
FSDs only stiffen themselves up depending on the frequency of travel. If it compresses rapidly it will automatically stiffen itself. Over slow undulations it will only stiffen up just a little bit, as you dont need a stiff shock to compensate.


The Koni Yellows are user adjustable when it comes to stiffness. Most people I have done these for like them set right in the middle for the rear shocks, and 2/3s firm in the front.
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      04-08-2011, 06:16 AM   #7
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Quote:
Originally Posted by Matt@Camber-Toe View Post
FSDs only stiffen themselves up depending on the frequency of travel. If it compresses rapidly it will automatically stiffen itself. Over slow undulations it will only stiffen up just a little bit, as you dont need a stiff shock to compensate.
I think you mean the other way around, high frequencies (ridges, bumps, etc.), the damper remains soft, for ride comfort, but at low frequencies the damper stiffens up (slower undulations, cornering etc.), improving the primary control.

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      04-08-2011, 09:28 AM   #8
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how do you adjust the koni yellows, is it pretty easy?
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      04-08-2011, 01:35 PM   #9
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Quote:
Originally Posted by Matt@Camber-Toe View Post
FSDs only stiffen themselves up depending on the frequency of travel. If it compresses rapidly it will automatically stiffen itself. Over slow undulations it will only stiffen up just a little bit, as you dont need a stiff shock to compensate.
What happens when you hit a bumpy corner? Will the dampening go into comfort mode?
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      04-08-2011, 02:33 PM   #10
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Quote:
Originally Posted by derrick603 View Post
What happens when you hit a bumpy corner? Will the dampening go into comfort mode?
It's in comfort mode most of the time. Either way you should think about changing bumpstops in the front to e36 M ones. I say this because the FSDs need suspension travel to work properly and if you lower it on H&R there isn't much room for the shocks to work.

Last edited by swifty; 04-13-2011 at 07:22 PM..
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      04-12-2011, 02:19 PM   #11
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The FSDs are not recommended with lowering springs according to what I've read. You would need to go for the yellows with your springs or switch back to stock springs+FSDs.
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      04-13-2011, 09:10 AM   #12
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My experience

I'm with you, bro. Have had H&R sports for two months. OK with stock dampers around town, except for big hits which jar the entire chassis (slow compression damping vs. simply less travel?).

My big problem is large amplitude dips on the highway at 80, which practically bounce me off the headliner a few times. Inadequate rebound damping, I believe.

If you guys have experienced similar problems and fixed them with new dampers, please let me know what worked for you.
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      04-13-2011, 01:36 PM   #13
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Koni Yellow (mine set to 75%) + HR is smooth as stock but corners 100x better. IMO never buy springs without the shocks to match, it will usually end up with a harsh ride.
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      04-14-2011, 01:04 PM   #14
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Quote:
Originally Posted by neusaab View Post
I'm with you, bro. Have had H&R sports for two months. OK with stock dampers around town, except for big hits which jar the entire chassis (slow compression damping vs. simply less travel?).

My big problem is large amplitude dips on the highway at 80, which practically bounce me off the headliner a few times. Inadequate rebound damping, I believe.

If you guys have experienced similar problems and fixed them with new dampers, please let me know what worked for you.
This. I have H&R sport and BMW performance shocks/struts. I drive the same 20 miles of highway everyday and there are the same bumps that practically kill me or my car every day. Some are just lips in the pavement left when they did construction which feel like I'm running over a brick (even with non RFTs) and then there are the 'ramp' type bumps where you hit a sudden elevation change in the road and I can feel my ass coming completely off the seat. Definitely not the most ideal setup and I feel like I'll eventually be switching this setup out for KW V1's or some other type of cheap coilover. Maybe Koni yellows, who knows. I just dread having to do the suspension install over again.
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      04-16-2011, 11:50 AM   #15
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have any of you guys tried the h&r cup kits? either touring or sport? how do those feel ?
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      06-17-2011, 04:32 AM   #16
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Originally Posted by gotchya24 View Post
have any of you guys tried the h&r cup kits? either touring or sport? how do those feel ?
I had a cup kit on my old e46... and it was WAY better than the sport springs on oem dampers that im riding now on my e92. and the cup kit on my e46 was with the RACE springs!
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      06-17-2011, 05:23 AM   #17
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shoulda went kw
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      06-17-2011, 08:58 AM   #18
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Yep buy hr touring kit and part out the springs. Did this back in feb
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