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12-02-2017, 08:40 AM | #45 |
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Helper plus coupler is roughly a 1/4" compressed. The adjuster is approximately 1/3rd of the way from the top. I don't think you'll have an issue setting the ride height you want - there's enough threaded length left to drop the front of the car so the top of the tires contact the fender liner!
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12-02-2017, 04:32 PM | #46 |
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Glad to see more people moving to the MCS’s
I am running 700/375. I have played a lot with spring lengths...I am running 6” fronts and 8” in the back with no helpers. Since my original install, I have added dinan sways and FLMS end links and toe/tie rods/links. Love how the dinan sways significantly reduced the front end roll. It’s pretty much point and go!!!! |
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12-07-2017, 07:25 PM | #48 | |
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Did you install Dinan F and R sway bars or F sway bar only? |
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12-07-2017, 08:43 PM | #49 |
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12-08-2017, 05:09 PM | #50 | |
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12-12-2017, 12:24 PM | #51 |
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I have an older data acquisition system - need to upgrade. Changes are mostly based on driver feel and car response but data certainly can be used to check if you're heading in the right, or wrong, direction. However, you may have to make compromises in one corner to deal with problems in another corner.
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11-22-2019, 04:24 AM | #53 |
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If you’re referring to the rear upper damper mount then the F8x doesn’t require any additional structural reinforcement when running a rear coilover setup. The 900-1200 lbf/in rates discussed in this thread are for divorced spring-damper (OEM) setups vs. 400-600 lbf/in rates for rear coilover setups. You’re trying to match wheel rates when switching between the stock setup and a coilover setup due to different motion ratios.
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11-24-2019, 06:13 PM | #54 | |
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The F8X can run a true coilover rear happily. I converted my MCS 2WNR on the F80 from divorced setup to true coilover during the 2019 season |
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11-24-2019, 07:09 PM | #55 |
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12-16-2019, 03:44 AM | #56 |
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Noticed a few running true coilover rear. I assume no reinforcements required to the strut top? I'm potentially looking to run mcs coilovers in the rear of my M2C so any feedback welcome
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12-16-2019, 04:29 AM | #57 |
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No reinforcement of the upper rear damper mount is required on the F8x to run a rear coilover setup. People have been running rear coilover setups on this chassis since 2015 and I’m not aware of a single failure.
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SYT_Shadow11490.00 MR RIZK757.50 |
12-22-2019, 12:23 AM | #58 |
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Cross post from here LINK.
Long story short, spoke with my local MCS dealer and they have raised potential clearance issue between the rear CO and sway bar. Now I don't know if this is specific to the M2C or not but further inspection i can see the sway bar will run pretty close where it wraps around indicated by the yellow arrow. I reckon there is enough clearance for the end link. Coincidentally the first post in this thread shows has a image of the rear setup and looks pretty close. Some feedback would be awesome if there is an issue and confirmation if owners are running 60mm or 2.25 rear spring. I'm assuming the 2.25 ID will have a slightly less OD etc.
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Last edited by MR RIZK; 12-22-2019 at 12:37 AM.. |
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12-23-2019, 09:41 AM | #59 | |
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Here is the solve for this issue...
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Had to deal with this, see my post below. I am in fact running 2.25ID springs and still experienced the issue. Here is the solve that I worked with Kent / Lex at MCS to come up with. Talk to Kent and reference my name (Faisal) ...and when I replaced the rear swaybar, dealt with it again; slightly (1-2mm) adjusted the rear sub-frame and solved the issue. Need to make sure that the sub-frame settles in exactly in the same spot when tightening post drop for swaybar replacement. Hope this helps... https://f80.bimmerpost.com/forums/sh...8#post20349298 |
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12-24-2019, 05:00 AM | #61 |
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ninekrpm , blackey thanks for the feedback and links. I will run this past my dealer.
ninekrpm why did you end up moving to a new set of sways. Did u find with the increased spring rates you required softer sways? EDIT: Noticed you went with the stiffer Dinan sways above.
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Last edited by MR RIZK; 12-24-2019 at 05:06 AM.. |
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12-24-2019, 09:31 AM | #62 | |
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12-24-2019, 10:08 AM | #63 | |
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The rear likely does not make much of a difference, cant say that I felt much...however, my goal was to take out the preload pressure... On a lowered car, the stock sway can add some significant prelaod as it does not move (pivot) much with the bushings, I was seeing the cross weights shift up to 75-100# even with adjustable end-links. By adding the aftermarket sway (Dinan, in my case), I have better adjust-ability to setup the car. If the stock sway pivoted better, I would simply add adjustable end-links and be done with it. The install does some patience, took me about 4 hours with the car on a high set of jack stands. I dropped the sub-frame about 6" and then worked to remove the existing one and maneuvered my way to install the new one. |
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01-06-2021, 06:47 PM | #64 |
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How are your cars holding up with running the true rear coilovers? Not sure if i want to rear coilovers or separates.
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02-20-2021, 09:10 AM | #66 |
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Howdy, tried to PM your but inbox is full
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