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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Suspension Advice: I want an agressive street suspension setup with no lowering



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      06-01-2017, 09:23 AM   #23
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The Konis are adjustable so you can make them as comfortable as stock if you want. The B8s are not adjustable.

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Originally Posted by SE7EN335 View Post
Is the Koni yellows more comfortable than the B8s? or B8s are more comfortable than koni yellows?
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      07-06-2017, 11:10 PM   #24
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Dinan springs
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      12-04-2017, 10:20 AM   #25
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Old thread, I know, but I just wanted to update it to say that I ended up going with regular old B4 dampers on OEM sport springs.

I dont have them on the car yet, but once I see how it handles on the OEM springs, I may actually swap the springs with the BMW performance suspension yellow springs if I feel that it needs to be a little stiffer.

I heavily expect to find just the feeling of new dampers to be good enough though, mine are definitely totally shot after nearly 100k miles.
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      12-04-2017, 12:45 PM   #26
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Quote:
Originally Posted by Joester View Post
Old thread, I know, but I just wanted to update it to say that I ended up going with regular old B4 dampers on OEM sport springs.

I dont have them on the car yet, but once I see how it handles on the OEM springs, I may actually swap the springs with the BMW performance suspension yellow springs if I feel that it needs to be a little stiffer.

I heavily expect to find just the feeling of new dampers to be good enough though, mine are definitely totally shot after nearly 100k miles.
Lol well then plan to replace your brand new b4 with b8 if you swap springs..
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      12-04-2017, 01:54 PM   #27
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Lol well then plan to replace your brand new b4 with b8 if you swap springs..
Nah, if its undersprung, then its undersprung and I will go stiffer with the BMWPS.

If its not undersprung then I will have no reason to change springs. I've just heard that the B4 is slightly stiffer than stock.
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      12-05-2017, 04:15 PM   #28
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Quote:
Originally Posted by Joester View Post
Nah, if its undersprung, then its undersprung and I will go stiffer with the BMWPS.

If its not undersprung then I will have no reason to change springs. I've just heard that the B4 is slightly stiffer than stock.
It's 10% stiffer, supposedly. But they're still made to match the original springs. If you want to go with stiffer springs, even the sport springs require a different B4 damper. I suspect that would be due to a combination of increased stiffness and slightly lower ride height vs. base stock springs.
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      10-30-2018, 11:28 AM   #29
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Update, after about 6k miles with the B4 struts and shocks they have gone horribly soft. They started out great but of course once broken in they feel much softer and bouncy.

Hindsight is 20/20 but I'm wishing that I would have gone for the B6 or B8 instead.

I cant recommend the B4s for anyone unless you are on a super tight budget and just need something to get you by.
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      10-31-2018, 05:47 PM   #30
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Quote:
Originally Posted by Joester View Post
Update, after about 6k miles with the B4 struts and shocks they have gone horribly soft. They started out great but of course once broken in they feel much softer and bouncy.

Hindsight is 20/20 but I'm wishing that I would have gone for the B6 or B8 instead.

I cant recommend the B4s for anyone unless you are on a super tight budget and just need something to get you by.
An honest, long term update is always appreciated.
I've had 2 sets of Koni Sports and love em.
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      11-01-2018, 03:27 PM   #31
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I'm not wild about the B4s I put on my X3, to be honest. They're definitely better than the old worn out shocks, but I wouldn't classify them as an upgrade.
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      11-01-2018, 03:46 PM   #32
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Quote:
Originally Posted by rothwem View Post
I'm not wild about the B4s I put on my X3, to be honest. They're definitely better than the old worn out shocks, but I wouldn't classify them as an upgrade.
Pretty much my exact same thoughts. They work, that's about it. They were cheap though which is nice.
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      11-01-2018, 05:42 PM   #33
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Yup, not too surprising...they are an OEM replacement, after all. You'll get peeps that will tell you otherwise though, which is unfortunate.
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      11-02-2018, 08:16 AM   #34
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Quote:
Originally Posted by Joester View Post
Quote:
Originally Posted by rothwem View Post
I'm not wild about the B4s I put on my X3, to be honest. They're definitely better than the old worn out shocks, but I wouldn't classify them as an upgrade.
Pretty much my exact same thoughts. They work, that's about it. They were cheap though which is nice.
Yep, they certainly were cheap. I got all four for $300, which is a pretty good price. I didn't want to spend a whole lot since I wasn't sure how long I'd keep the X3. I need to get back in an E9x vehicle again.
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      11-11-2018, 10:01 PM   #35
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I’m sorry for repeating the same question over and over again but I am totally confused after reading these different examples of suspension . I have a 2012 e92 335i with the M sport package .auto . That’s six speed auto not the other good one. One of the confusing part of this whole thing is when I hear people describe how their stock suspension feels . In my car that I described above has 50,000 miles on it and I would describe this suspension as extremely soft floaty boat like . With extreme body role .This car is dangerous if you load slowly load it up in a turn gently it’ll grab fairly well or ok but if there’s any bump in a high-speed turn you’re just about dead it disrupts the whole chassis . And your all over the place . This side to side transition is horrible. It’s not even predictable because undulation in the road gives you a different or more extreme Chasse disruption . Now as far as luxury the suspension is amazing it floats over the bumps it’s just very pleasant for a luxury car . But for any kind of spirited driveing it’s no good .am I crazy or is that the way the rest of you feel ? And definitely the stock rear dif is horrible omg ! Please tell me the basics set up for spirited street driving or Rare track day . nothing harsh just one good step from the stock msport set up as I have now . Mostly just something that you can enjoy driving the car without feeling like you’re gonna die . Bilstien shocks - dinan springs HR sport springs. And what’s that m3 upgrade part in the front suspension people are replacing . Is that M3 part more heavy duty . Dose it flex Less . Does it have better suspension geometry ?
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      11-12-2018, 12:54 PM   #36
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Quote:
Originally Posted by MrN1ceGuy View Post
Check out the Tein S-tech. Their spring rates are well matched and only further lower the factory sport suspension by about half an inch. I have had them for almost a year and they have works marvelously with my Bilstein B8s. Especially at higher speed.
I'm happy with my Tein S-techs but have to disagree about the drop. I think Bilstein B8s tend to raise cars a bit, so in conjunction with the Teins you ended up with just the right drop. Most including myself (with other dampers) see a 2"+ drop with the S-techs. I hated the drop so much I raised the front back up 19mm via e30 perches and spring pads and it now sits dead even and rides great. I agree that the spring rates are excellent for our cars which is why I chose them, but for most not looking for a significant drop, the Teins would be far too low IMO.
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      11-12-2018, 04:29 PM   #37
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Quote:
Originally Posted by Markierocker335i View Post
Iím sorry for repeating the same question over and over again but I am totally confused after reading these different examples of suspension . I have a 2012 e92 335i with the M sport package .auto . Thatís six speed auto not the other good one. One of the confusing part of this whole thing is when I hear people describe how their stock suspension feels . In my car that I described above has 50,000 miles on it and I would describe this suspension as extremely soft floaty boat like . With extreme body role .This car is dangerous if you load slowly load it up in a turn gently itíll grab fairly well or ok but if thereís any bump in a high-speed turn youíre just about dead it disrupts the whole chassis . And your all over the place . This side to side transition is horrible. Itís not even predictable because undulation in the road gives you a different or more extreme Chasse disruption . Now as far as luxury the suspension is amazing it floats over the bumps itís just very pleasant for a luxury car . But for any kind of spirited driveing itís no good .am I crazy or is that the way the rest of you feel ? And definitely the stock rear dif is horrible omg ! Please tell me the basics set up for spirited street driving or Rare track day . nothing harsh just one good step from the stock msport set up as I have now . Mostly just something that you can enjoy driving the car without feeling like youíre gonna die . Bilstien shocks - dinan springs HR sport springs. And whatís that m3 upgrade part in the front suspension people are replacing . Is that M3 part more heavy duty . Dose it flex Less . Does it have better suspension geometry ?
Try this again with paragraphs.
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      11-16-2018, 04:16 PM   #38
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Quote:
Originally Posted by Markierocker335i View Post
I’m sorry for repeating the same question over and over again but I am totally confused after reading these different examples of suspension . I have a 2012 e92 335i with the M sport package .auto . That’s six speed auto not the other good one. One of the confusing part of this whole thing is when I hear people describe how their stock suspension feels . In my car that I described above has 50,000 miles on it and I would describe this suspension as extremely soft floaty boat like . With extreme body role .This car is dangerous if you load slowly load it up in a turn gently it’ll grab fairly well or ok but if there’s any bump in a high-speed turn you’re just about dead it disrupts the whole chassis . And your all over the place . This side to side transition is horrible. It’s not even predictable because undulation in the road gives you a different or more extreme Chasse disruption . Now as far as luxury the suspension is amazing it floats over the bumps it’s just very pleasant for a luxury car . But for any kind of spirited driveing it’s no good .am I crazy or is that the way the rest of you feel ? And definitely the stock rear dif is horrible omg ! Please tell me the basics set up for spirited street driving or Rare track day . nothing harsh just one good step from the stock msport set up as I have now . Mostly just something that you can enjoy driving the car without feeling like you’re gonna die . Bilstien shocks - dinan springs HR sport springs. And what’s that m3 upgrade part in the front suspension people are replacing . Is that M3 part more heavy duty . Dose it flex Less . Does it have better suspension geometry ?
Your suspension is probably shot; it's not stiff stock but shouldn't feel like that. Any of the common setups should work well depending on what you want.

Spring options: (from minimal to extreme lowering)

BMW Performance Springs
Dinan Springs
Eibach Pro kit
H&R Sport
Swift R-spec
Tein S tech
H&R Rce

Damper options:

Bilstein B4 (OE equivalent)
Koni Street shocks (non-adjustable but can be paired with lowering springs)
Koni Yellow (adjustable)
Bilstein Sport

Any of the above combinations will work. Be sure to get e36 M3 bumpstops for the front and Z4 for the rear. Or just get coilovers.
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