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E90 335i with Swift Spec-R springs and OEM sport struts
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10-30-2013, 06:00 PM | #1 |
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E90 335i with Swift Spec-R springs and OEM sport struts
Just swapped out my stock sport suspension springs for a set of Swift Spec-R springs. The drop on front and back was about half an inch compared to the stock sport suspension height which is already about 0.6 inches below non sport height. I would like to request opinions on the new height in terms of autocross performance and of course appearance too.
I am concerned that the rear looks a little too low to me now, but maybe I just need a while to get familiar with the way the new height looks. 235/35/R19 front 265/30/R19 rear |
10-31-2013, 12:07 AM | #3 |
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Looks great! How does it ride?
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2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, Koni/M3 susp, Apex Arc 8, Mich PSS |
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10-31-2013, 12:25 AM | #4 |
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Thanks. I will be able to provide better feedback on the handling once I have a chance to autocross with them. My first impressions are that the ride is probably a little tighter/stiffer than with the stock springs. The car certainly feels well settled from what I can feel so far.
Oh, I also switched to the shorter e36 bump stops when I switched to the Swift springs. |
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10-31-2013, 08:58 PM | #6 |
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Looks good, I'm thinking about using the Swift springs as well with some Koni yellows. Are you still on the O.E.M. Struts? It's hard to tell on my phone, do you still have any fender gap?
+1 how does it feel on the street?
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11-16-2013, 07:49 PM | #7 |
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Drives: 335I, E46 M3, X5M
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Looks good
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11-18-2013, 09:18 PM | #11 |
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11-18-2013, 10:31 PM | #12 |
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looks great to be honest! test on highway, see if there is any floating. how it reacts to bump and bumps on turns. Id like to hear how it drives daily around town, how rough or soft they are at that height.
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02-11-2014, 09:49 AM | #14 |
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Thanks to everyone who has responded. Sorry for not replying sooner. For some reason I am not getting notified when this thread gets updated.
So, 100 days after install, I am still loving the setup. I am still waiting patiently to try them at an autocross event. That will happen Feb. 22nd so stay tuned for a high speed cornering report after that weekend. On the streets, the new springs are performing very well. Body roll and sway seem dramatically reduced and the overall impression is one of a much tighter ride. There is some trade off, however. Sharp bumps are definitely felt more than they were with the softer stock springs in my opinion. Also, getting in and out of the car with my 6' 2" frame and bad knees is a little more difficult now at this slightly lower height. One other thing worth noting is that when I have a passenger or two in the car, I get an occasional creaking sound from the suspension on the right side. I haven't pinpointed the cause yet. Regarding the fender gap, I think the pictures probably describe it better than I can. If you would like specific measurements or close up pictures, let me know. Link to a similar review. http://www.e90post.com/forums/showthread.php?t=899127 |
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02-11-2014, 11:06 AM | #17 |
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02-12-2014, 09:35 AM | #18 |
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Thanks. The wheels are Alufelgen CS7's in gunmetal. I was worried about their strength, but so far they have been great. I hit one of the worst pot holes of my life early on. One that jars your teeth, and they survived with zero new steering wheel vibrations. I was very impressed.
Fitment is ET 35. |
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03-07-2014, 12:22 PM | #19 |
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the sounds you may be experiencing when someone rides passenger, is the tires rubbing on the top of the wheel well. I'm having to switch mine out, for springs that aren't so short...I can't get over a speed bump, no matter what speed or angle I approach the thing at. I'd reconsider had I known...IMHO
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03-08-2014, 07:51 AM | #20 | |
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I recently swapped out my front lower control arms for the M3 ones and the rubbing has actually gotten worse. (I'm at -2.0 camber in the front). I am now trying to find a way to increase the ride height by 1/4th - 3/8th inch to hopefully eliminate the rubbing. Seems like it wouldn't take much of a "shim" to get the job done. |
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03-18-2014, 01:18 PM | #21 | ||
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Quote:
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So I was supposed to get my new Dinan Springs installed today, and more bad news...the car was riding so friggin low, that the bumpstops that are 3 months old are all cracked, and the struts are destroyed as well.... This thing was such a debacle. I should have known that when I originally installed the swift springs, and was told that the reason the rear was riding so low was because the two piece of luggage in the trunk were "weighing the car down", that I had a problem. Folks, if you have a non-sport OEM suspension, and are looking to change us your springs, do yourself a favor and DO NOT goo with Swift. I can't speak for sport OEM suspension, but this has been a disaster!!! I'm taking pictures either on Thursday or Friday when I pick my car back up again, and will show the damage that's been done. This bone-headed move to the Swift Springs, is going to end up costing me at least an additional $600 for the parts, (re)installation, and alignment. Don't go on the cheap and go with Swift, you'll regret it, especially since there are so many other proven options on the market. I don't know if a shim would help, as it destroyed the inner workings of my suspension...just a thought. |
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03-18-2014, 02:34 PM | #22 | |
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PS: Interesting review on these... Slightly disappointing
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