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BMW 3-Series (E90 E92) Forum
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Swift springs, AST coilovers, M3 bits... first take
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05-13-2011, 12:39 PM | #23 |
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I did them on my E34 which was similar...though in the E92 there are two more. Its all about having the right bushing puller tool, otherwise you will have a bitch of a time with them.
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05-13-2011, 10:28 PM | #24 | |
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05-14-2011, 10:11 AM | #25 | |
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I have time for my final review as I just heard my wheels are going to be another 5wks..which I can understand being that they're coming from Japan. When those are on, I will attempt to adjust for the best street performance ride height. Any thoughts on how the lighter wheels/tires (50+lbs less of unsprung weight) will impact the geometry/feel of the Swift/AST setup? I also spoke with Harold yesterday and shared with him that my confidence and appreciation for the ride gets better everyday. I pay very close attention to detail and my initial feedback was more in comparison of the stock ride - As Orb pointed out, its clear that the increased spring rates are exposing the soft rear subframe bushings. |
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05-15-2011, 08:29 AM | #26 | |
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05-27-2011, 01:49 AM | #28 |
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05-27-2011, 07:55 AM | #29 |
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Harold - Thanks for the compliment. When I purchased my 4100's from you, the adjustment extenders were out of stock. I drove with my trunk liner out of my car for a couple of weeks until I had some time to implement my idea. I wanted it to look stock but still allow me to easily adjust the settings. They are just 2.25" grommet hole covers designed for a computer desk.
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05-27-2011, 11:05 AM | #30 | |
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05-27-2011, 02:16 PM | #31 |
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nice job, I went w/ the flex-adjusters...like your idea better...and it was less $
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05-28-2011, 01:49 AM | #32 |
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f00dstamps, well-modded...
I just went with the traditional adjustment extenders and a wee slit in the liner, but now I have computer desk grommet hole cover envy...
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05-28-2011, 02:12 AM | #33 | |
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OSG LSD and m3 arms, sways and bushings sitting in my room..waiting on my swift/ast from Harold to come in..i went w the 4200s..from what i have read thus far ASTs are amazing |
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05-28-2011, 02:20 AM | #34 | |
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06-01-2011, 09:37 PM | #36 |
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For those with these coilovers, is the highest possible height still lower than ZSP?
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06-01-2011, 09:59 PM | #37 |
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I just wrote this to a PM asking if I adjust my vorshlags at the track. The answer is yes- here is how I was told to do it by AST/Vorshlag
There is a kick ass write up I found on this ( see link below)- plus I spoke with Brian from AST about it (and the vorshlg guys). Basically set the car up for the street with camber toe you want. Be sure your shop places the bolts through the strut tower brace all the way inboard. There is some play, so if they just set them in the middle, you won't be able to replicate the setting after adjusting the plates. This is huge. Have them align according to your parameters and bolt everything down (inboard). Then mark your plates with a black sharpie on the scale. This is your baseline street setup. Then have your shop loosen the bolts and adjust your plates to your desired track setup (I am going with -3 deg, but still tweaking) Then mark your plate with a red sharpie. (again, be sure they have the bolts 100% inboard, only the plate has changed.) This will result in a bit of toe out, but that is fine. Now , when you go to the track, you can jack up the car and easily adjust these yourself, and then afterwards, go back to your original setting. Simple! Here is the post by Terry Fair (Vorshlag) explaining this much better- http://forums.bimmerforums.com/forum...ight=alignment AST Tuning Guide http://www.vorshlag.com/documents/Tuning_AST_Shocks.pdf
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06-20-2011, 10:05 AM | #38 |
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Anyone noticing a popping/thumping noise from their front suspension at low speeds (<25mph) like me? Do any of you have a solution to my problem?
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06-23-2011, 08:24 PM | #39 | |
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As far as the suspension goes, it is due for more tweaking, unfortunately. My 450/800 setup remains to be far too much for stock subframe bushings when the suspension is forced to travel (over bumps) at high speeds. It just doesn't feel as stable as a I like - I will be investigating more when I can find the time to do the install. I was previously running stock BMW 195 wheels with run flats and my new set up is below: Advan RS (Gunmetal) F, 18X8.5 - 235/40/18 R, 18X9.5 - 265/35/18 Michelin Pilot Super Sports >>I could not be happier with the look and fitment! The tires feel much better than the RFTs but that doesn't change that the suspension is still stiff with a very light wheel setup. Gunmetal goes very well with Space Gray. Comparing the numbers, I have lost 56-60lbs of unsprung weight, not including the weight lost by the Swift/AST setup. Other Mods: >> Switching between Burger Tuning Diesel Module and the VAC Tuning Box. Both are roughly the same with slightly different setup/claims but they both put a smile on my face.. I may sell one of them? >> Front M3 wishbone and tension links >> Black kidney grille >> 35% window tint on all side and rear windows. Still to go near term: >> Sub frame bushings and other rear links. Probably will start with sub frame only. >> Front strut bar >> M tech front bumper Pictures - I hope to be taking better much ones soon: |
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06-23-2011, 10:42 PM | #40 |
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06-23-2011, 11:12 PM | #41 | |
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http://www.e90post.com/forums/showthread.php?t=543188
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03-23-2012, 10:06 PM | #42 | |
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03-24-2012, 12:10 AM | #43 |
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