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10-07-2013, 02:18 PM | #67 |
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10-10-2013, 01:30 PM | #68 | |
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10-13-2013, 01:26 AM | #69 |
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Will be getting the swifts instead of the eibachs.
However, can someone advice how the progressive e92 bumpstops differ from the e36? Is it possible that the progressive bumpstops are better in the long run for the car. Does bottoming out on the e36 bump stops make the car more unsettled than on the progressive bump stops on the e92? Anyone running the e92 bumpstop with swifts experience bottoming out and if so is it like heavy thud noise/crash feeling or different?
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10-16-2013, 01:54 AM | #70 | |
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You are not likely going to bottom out much if at all with the Swift Spec-R springs. |
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11-02-2013, 09:22 AM | #71 |
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Ok so I ordered the e36 M bumpstops but put the swifts on without them yesterday.
Drove the car over 100km and so far it hasn't bottomed out here. Mind you our roads are a lot like UK with tons of potholes and dips. Will keep you guys posted. Also how long did most of you guys wait for the car to settle to do an alignment.
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11-02-2013, 11:44 AM | #72 |
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11-02-2013, 12:10 PM | #73 |
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^ 2 reasons. One, the swifts were developed to run on OEM e9x M bumpstops and I have to believe that in the span of 15 years (e36 to e92) something in the material, design or build must have advanced in the production of these bumpstops since BMW designed the current generation to ride on bumpstops as opposed to years past.
2nd I was already at the shop for few other things and I didn't have the bumpstops with me yet decided to install it anyway. I was already wavering about putting it on and then just went with it. I used to bottom out on my old coils on the 335i certain stretches of my commute home from work so I'll go drive by that area today and comment. Please advice on how long I should wait to let the springs settle before doing the alignment.
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11-02-2013, 03:40 PM | #74 |
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bilstein shocks with edc
Has anyone tried pairing these with lowering springs? Maybe a good way to retain edc?
http://www.turnermotorsport.com/p-18...-with-edc.aspx |
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11-02-2013, 05:10 PM | #76 | |
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11-04-2013, 12:39 PM | #77 |
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Thanks W///.
Went by the same road yesterday where the TCklines on my 335 used to bottom out and the car absorbed it with no issues. It will also help if others can chime in with their alignment/toe settings with ZCP and swift springs for street or track use. Thanks guys.
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11-04-2013, 03:43 PM | #78 |
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I'm -1.9 F, and -1.9 R. Pretty much maxed out with stock components. I'm using new E92 bumpstops.
I have ZCP dampers and stock EDC and stock sway bars. My wheel setup was 19X9.5 +25 F 255/35-19 and 19X10.5 +22 275/30-19 Mich PSS. With the alignment setting I never rubbed front or rear, and I really was never in any danger to. With that alignment the car seemed to have a little less stabilty under hard braking but handling in corners was much better. It was a big improvement on sweepers or high speed corners with lots of track out. Tighter corners I could tell a little less. That was my observation from the most recent track event I participated in. On the street, the car drives mostly like stock. It is a bit firmer on harder bumps, I won't go as far as saying it "crashes" on the bump stops, but there is noticable difference in ride stiffness. Ride hieght wise I wish the front was a tad higher. You might as well forget about having a lip spoiler on. My challenge GT lip is trashed in only a few weeks. I'm glad I bought it used. I plan on having a different tire setup in the next coming weeks followed by another alignment. |
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11-04-2013, 03:47 PM | #79 | |
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I'd really just boot the EDC system and get coilovers though. But this is a good option for replacement EDC shocks if the stock shocks go.
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02-20-2015, 06:58 PM | #81 |
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I know this is a somewhat old thread but since it was bumped I figured I would share an email response I got from swift regarding the use of e36 Bumpstops.
Swift: We designed the springs to work with the Stock M3 bumpstops. We have done all the testing needed to see that the springs were a proper fit for the shocks as it comes from the factory. That being said we have nothing against someone modifying the bumpstops to work with their setup. We know many users use the E36 bumpstops and have been very happy with it. They will not affect the way the springs perform, the user would just have more stroke through its travel before hitting the bumpstop. The E90 bumpstops we tested has a smoother longer progression in rate, so hitting the first part of it will not really affect the suspension movement. I've recently purchased these springs and plan on installing the e36 bumpstops as they are low cost and increase suspenision travel. |
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02-20-2015, 07:17 PM | #82 | |
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02-20-2015, 07:22 PM | #83 |
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Old post.
No stability under braking was caused by DTC70 Pads on MPSS tires on a cold surface. In addition to a dying DSC/ABS module. That has to be over a year old post. Swift R springs off my car since Jan 2013. |
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02-20-2015, 07:45 PM | #84 |
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Why you decided to take the Swifts off your car ?
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02-20-2015, 07:53 PM | #86 |
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02-21-2015, 01:11 AM | #87 | |
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09-14-2015, 01:35 AM | #88 |
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Im on Swift Spec R springs and rides great. I would say the Swifts are slightly stiffer than stock. I have EDC on my car and the suspension has a "plus one" feel. For example on normal (no lights EDC button) feels like the stiffness on sport EDC (one light emitted on EDC button) in a stock m3. On sport EDC my m3 has a sport plus EDC stiffness on a stock m3 and on sport plus EDC my m3 felt more like sport plus plus. Stiffer but not bouncy on bumps but you will feel more feedback on the road surface.
I took the car to Circuit of the Americas and it was an improvement. I did one session with sport EDC (one light emitted) and the M3 feels planted with mild body roll, and no understeer. Then I ran another session on sport plus EDC (two lights emitted on EDC button). The car felt firmer, stiffer, and more planted on the track, than on sport EDC. Minimal body roll (at least what I felt), no understeer and the car felt sharper. I can just point the car to the apex and it will hit the apex. Im also on 18x10.5 Volk TE37RT, with 265/35/18 front and 275/35/18 rear. My camber is -1.9 all around. Im sure these helped too but the overall performance felt more balanced than stock and no understeer noted. When the M3 does oversteer, it is predicable and controllable. I would recommend Swift Spec R springs for anyone that wants to improve the handling on M3 but not sacrifice ride comfort. [IMG]Untitled by Chamba, on Flickr[/IMG] The Swift springs are not a replacement for coil-overs, but for tracking 1-3x a year it's perfect. Coil-overs are nice because of the adjustably and handles better but the ride can get too stiff and uncomfortable especially on rough roads. I had coil-overs on other cars and those felt a lot more stiffer then my M3. Another reason I chose Swift springs over coil-overs is because I didn't want to lose my EDC function. Its nice to have that adjustably on the go. Yeah I know coil-overs have adjustable dampening but its annoying to pop the hood or go under the car to adjust it a couple of clicks. There really isn't any need to get coil-overs if you don't track your car often unless you want to go lower then springs. |
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