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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > KW street comfort adjustments



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      10-06-2016, 02:34 PM   #1
johnson47376
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KW street comfort adjustments

I've put about 500 miles on the suspension now to get everything to settle. Got the ride height close to even between the fronts when I have it weighted down. Now the rears are about still a little over 1/2 inch different and the weird thing is when adjust the collar on either side to raise or lower it in the rear, the ride height/ wheel gap for both sides in the rear seem to raise or drop. I know adjusting the rear of one side will affect both sides to a degree, but I can't seem to get driverside rear wheel to sit flush with the wheel arch like the other 3 wheels. Raising the passenger rear raises driver rear. And the drive rear is almost all the way at its lowest setting. Is there something I should check first or try adjusting?
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      10-07-2016, 11:15 AM   #2
mike-y
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check the opposite corner of the wheel you want to adjust. weight transfer also works diagonally. So if you can't get the left rear low enough, try raising the right front. It sounds weird, but it works. It can take quite a bit of adjusting the heights of all the collars just to get one corner to sit where you like it.
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      10-07-2016, 04:27 PM   #3
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Quote:
Originally Posted by mike-y
check the opposite corner of the wheel you want to adjust. weight transfer also works diagonally. So if you can't get the left rear low enough, try raising the right front. It sounds weird, but it works. It can take quite a bit of adjusting the heights of all the collars just to get one corner to sit where you like it.
Yea that looks like what I'll probably have to try, the fronts are nice and low and even but I guess I'll have to raise the front passenger side wheel to try to get the back drive side down, then adjust driver side front to match again. The fronts are 22-7/8s from the bottom of wheel to wheel arch. Back passenger is 23-1/8 and the collar is 1/2 way up, back driver side collar is at its lowest setting and is still the highest at 23-3/8, so 1/4 inch higher than other side.
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Pure Stg2 Turbo/ Pure inlet/ GFB DV /Fuel-it Stg2 LPFP/BMS intake/ JB4 ISO BMS BEF/AR Design DP/ ER CP/Wagner FMIC/ Wavetrac LSD/BMW PE/ KW Street Comfort / MusicarNW Level Two Audio Upgrade/CDV delete/3000K HID Fogs/ N20 plugs/ JB4 BT Rev3
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      10-10-2016, 08:25 AM   #4
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Quote:
Originally Posted by mike-y
check the opposite corner of the wheel you want to adjust. weight transfer also works diagonally. So if you can't get the left rear low enough, try raising the right front. It sounds weird, but it works. It can take quite a bit of adjusting the heights of all the collars just to get one corner to sit where you like it.
Messed with it a couple hours again this weekend and ended up getting 3 wheels even with the back passenger still 1/4 inch lower than the others. Theyre at 23" on the FD, RD, FP and 22 3/4" on the rear passenger (RP). I think either my RD has way less weight on it compared to the others or I have something installed slightly wrong, idk. Car rides fine. Raising front passenger side did get the rear driver down a little but also made the front driver lower. Then raising the front driver side raises the rear driver too and makes the rear passenger lower. Raising the back passenger raises the back driver too almost at a 1:1 ratio so I gave up lol. Not sure what I could of installed incorrectly to cause this. I loaded up the suspension when I tightened everything back down. It's been re-aligned too. Who knows
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Pure Stg2 Turbo/ Pure inlet/ GFB DV /Fuel-it Stg2 LPFP/BMS intake/ JB4 ISO BMS BEF/AR Design DP/ ER CP/Wagner FMIC/ Wavetrac LSD/BMW PE/ KW Street Comfort / MusicarNW Level Two Audio Upgrade/CDV delete/3000K HID Fogs/ N20 plugs/ JB4 BT Rev3
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